// 按比例生成缩略图									----------------------------
function DrawImage(MyPic,W,H){
  var flag=false;
  var image=new Image();
  image.src=MyPic.src;
  if(image.width>0 && image.height>0){
    flag=true;
    if(image.width/image.height>= W/H){
      if(image.width>W){  
        MyPic.width=W;
        MyPic.height=(image.height*W)/image.width;
      }
	  else{
        MyPic.width=image.width;  
        MyPic.height=image.height;
      }
    }
    else{
      if(image.height>H){  
        MyPic.height=H;
        MyPic.width=(image.width*H)/image.height;     
      }
	  else{
        MyPic.width=image.width;  
        MyPic.height=image.height;
      }
    }
  }
}
// 点击验证码图换数字									----------------------------
function UpVerifyCode(){
  document.getElementById("PhotoSN").src = "../Include/VerifyCode.asp?t="+Math.random();
}
// 指向变换背景图片  									----------------------------
function ChangeBackground(MyObj,NewBackground){ 
  MyObj.style.backgroundImage=NewBackground;
}   

window.onload=menuFix;
function menuFix() {
	var sfEls = document.getElementById("mainMenu").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onMouseDown=function() {
			this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onMouseUp=function() {
			this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
		}
	}
}





// 分类树型菜单NwebCn0								------------------------------------
// Node object
function NwebCn0_Node(id, pid, name, url, title, target, icon, iconOpen, open) {
	this.id = id;
	this.pid = pid;
	this.name = name;
	this.url = url;
	this.title = title;
	this.target = target;
	this.icon = icon;
	this.iconOpen = iconOpen;
	this._io = open || false;
	this._is = false;
	this._ls = false;
	this._hc = false;
	this._ai = 0;
	this._p;
};

// Tree object
function NwebCn0_Tree(objName) {
	this.config = {
		target				: null,
		folderLinks			: true,
		useSelection		: true,
		useCookies			: true,
		useLines			: true,
		useIcons			: true,
		useStatusText		: false,
		closeSameLevel		: false,
		inOrder				: false
	}
	this.icon = {
		root				: '../Images/NwebCn0_base.gif',
		folder				: '../Images/NwebCn0_folder.gif',
		folderOpen			: '../Images/NwebCn0_folderopen.gif',
		node				: '../Images/NwebCn0_page.gif',
		empty				: '../Images/NwebCn0_empty.gif',
		line				: '../Images/NwebCn0_line.gif',
		join				: '../Images/NwebCn0_join.gif',
		joinBottom			: '../Images/NwebCn0_joinbottom.gif',
		plus				: '../Images/NwebCn0_plus.gif',
		plusBottom			: '../Images/NwebCn0_plusbottom.gif',
		minus				: '../Images/NwebCn0_minus.gif',
		minusBottom			: '../Images/NwebCn0_minusbottom.gif',
		nlPlus				: '../Images/NwebCn0_nolines_plus.gif',
		nlMinus				: '../Images/NwebCn0_nolines_minus.gif'
	};
	this.obj = objName;
	this.aNodes = [];
	this.aIndent = [];
	this.root = new NwebCn0_Node(-1);
	this.selectedNode = null;
	this.selectedFound = false;
	this.completed = false;
};

// Adds a new node to the node array
NwebCn0_Tree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {
	this.aNodes[this.aNodes.length] = new NwebCn0_Node(id, pid, name, url, title, target, icon, iconOpen, open);
};

// Open/close all nodes
NwebCn0_Tree.prototype.openAll = function() {
	this.oAll(true);
};
NwebCn0_Tree.prototype.closeAll = function() {
	this.oAll(false);
};

// Outputs the tree to the page
NwebCn0_Tree.prototype.toString = function() {
	var str = '<div>\n';
	if (document.getElementById) {
		if (this.config.useCookies) this.selectedNode = this.getSelected();
		str += this.addNode(this.root);
	} else str += 'Browser not supported.';
	str += '</div>';
	if (!this.selectedFound) this.selectedNode = null;
	this.completed = true;
	return str;
};

// Creates the tree structure
NwebCn0_Tree.prototype.addNode = function(pNode) {
	var str = '';
	var n=0;
	if (this.config.inOrder) n = pNode._ai;
	for (n; n<this.aNodes.length; n++) {
		if (this.aNodes[n].pid == pNode.id) {
			var cn = this.aNodes[n];
			cn._p = pNode;
			cn._ai = n;
			this.setCS(cn);
			if (!cn.target && this.config.target) cn.target = this.config.target;
			if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
			if (!this.config.folderLinks && cn._hc) cn.url = null;
			if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
				cn._is = true;
				this.selectedNode = n;
				this.selectedFound = true;
			}
			str += this.node(cn, n);
			if (cn._ls) break;
		}
	}
	return str;
};

// Creates the node icon, url and text
NwebCn0_Tree.prototype.node = function(node, nodeId) {
	var str = '<div class="">' + this.indent(node, nodeId);
	if (this.config.useIcons) {
		if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
		if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
		if (this.root.id == node.pid) {
			node.icon = this.icon.root;
			node.iconOpen = this.icon.root;
		}
		str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
	}
	if (node.url) {
		str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';
		if (node.title) str += ' title="' + node.title + '"';
		if (node.target) str += ' target="' + node.target + '"';
		if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';
		if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))
			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
		str += '>';
	}
	else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
		str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
	str += node.name;
	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
	str += '</div>';
	if (node._hc) {
		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
		str += this.addNode(node);
		str += '</div>';
	}
	this.aIndent.pop();
	return str;
};

// Adds the empty and line icons
NwebCn0_Tree.prototype.indent = function(node, nodeId) {
	var str = '';
	if (this.root.id != node.pid) {
		for (var n=0; n<this.aIndent.length; n++)
			str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
		if (node._hc) {
			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
			if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
			else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );
			str += '" alt="" /></a>';
		} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
	}
	return str;
};

// Checks if a node has any children and if it is the last sibling
NwebCn0_Tree.prototype.setCS = function(node) {
	var lastId;
	for (var n=0; n<this.aNodes.length; n++) {
		if (this.aNodes[n].pid == node.id) node._hc = true;
		if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
	}
	if (lastId==node.id) node._ls = true;
};

// Returns the selected node
NwebCn0_Tree.prototype.getSelected = function() {
	var sn = this.getCookie('cs' + this.obj);
	return (sn) ? sn : null;
};

// Highlights the selected node
NwebCn0_Tree.prototype.s = function(id) {
	if (!this.config.useSelection) return;
	var cn = this.aNodes[id];
	if (cn._hc && !this.config.folderLinks) return;
	if (this.selectedNode != id) {
		if (this.selectedNode || this.selectedNode==0) {
			eOld = document.getElementById("s" + this.obj + this.selectedNode);
			eOld.className = "node";
		}
		eNew = document.getElementById("s" + this.obj + id);
		eNew.className = "nodeSel";
		this.selectedNode = id;
		if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
	}
};

// Toggle Open or close
NwebCn0_Tree.prototype.o = function(id) {
	var cn = this.aNodes[id];
	this.nodeStatus(!cn._io, id, cn._ls);
	cn._io = !cn._io;
	if (this.config.closeSameLevel) this.closeLevel(cn);
	if (this.config.useCookies) this.updateCookie();
};

// Open or close all nodes
NwebCn0_Tree.prototype.oAll = function(status) {
	for (var n=0; n<this.aNodes.length; n++) {
		if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
			this.nodeStatus(status, n, this.aNodes[n]._ls)
			this.aNodes[n]._io = status;
		}
	}
	if (this.config.useCookies) this.updateCookie();
};

// Opens the tree to a specific node
NwebCn0_Tree.prototype.openTo = function(nId, bSelect, bFirst) {
	if (!bFirst) {
		for (var n=0; n<this.aNodes.length; n++) {
			if (this.aNodes[n].id == nId) {
				nId=n;
				break;
			}
		}
	}
	var cn=this.aNodes[nId];
	if (cn.pid==this.root.id || !cn._p) return;
	cn._io = true;
	cn._is = bSelect;
	if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
	if (this.completed && bSelect) this.s(cn._ai);
	else if (bSelect) this._sn=cn._ai;
	this.openTo(cn._p._ai, false, true);
};

// Closes all nodes on the same level as certain node
NwebCn0_Tree.prototype.closeLevel = function(node) {
	for (var n=0; n<this.aNodes.length; n++) {
		if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
			this.nodeStatus(false, n, this.aNodes[n]._ls);
			this.aNodes[n]._io = false;
			this.closeAllChildren(this.aNodes[n]);
		}
	}
}

// Closes all children of a node
NwebCn0_Tree.prototype.closeAllChildren = function(node) {
	for (var n=0; n<this.aNodes.length; n++) {
		if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
			if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
			this.aNodes[n]._io = false;
			this.closeAllChildren(this.aNodes[n]);		
		}
	}
}

// Change the status of a node(open or closed)
NwebCn0_Tree.prototype.nodeStatus = function(status, id, bottom) {
	eDiv	= document.getElementById('d' + this.obj + id);
	eJoin	= document.getElementById('j' + this.obj + id);
	if (this.config.useIcons) {
		eIcon	= document.getElementById('i' + this.obj + id);
		eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
	}
	eJoin.src = (this.config.useLines)?
	((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
	((status)?this.icon.nlMinus:this.icon.nlPlus);
	eDiv.style.display = (status) ? 'block': 'none';
};

// [Cookie] Clears a cookie
NwebCn0_Tree.prototype.clearCookie = function() {
	var now = new Date();
	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
	this.setCookie('co'+this.obj, 'cookieValue', yesterday);
	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
};

// [Cookie] Sets value in a cookie
NwebCn0_Tree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
	document.cookie =
		escape(cookieName) + '=' + escape(cookieValue)
		+ (expires ? '; expires=' + expires.toGMTString() : '')
		+ (path ? '; path=' + path : '')
		+ (domain ? '; domain=' + domain : '')
		+ (secure ? '; secure' : '');
};

// [Cookie] Gets a value from a cookie
NwebCn0_Tree.prototype.getCookie = function(cookieName) {
	var cookieValue = '';
	var posName = document.cookie.indexOf(escape(cookieName) + '=');
	if (posName != -1) {
		var posValue = posName + (escape(cookieName) + '=').length;
		var endPos = document.cookie.indexOf(';', posValue);
		if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
		else cookieValue = unescape(document.cookie.substring(posValue));
	}
	return (cookieValue);
};

// [Cookie] Returns ids of open nodes as a string
NwebCn0_Tree.prototype.updateCookie = function() {
	var str = '';
	for (var n=0; n<this.aNodes.length; n++) {
		if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
			if (str) str += '.';
			str += this.aNodes[n].id;
		}
	}
	this.setCookie('co' + this.obj, str);
};

// [Cookie] Checks if a node id is in a cookie
NwebCn0_Tree.prototype.isOpen = function(id) {
	var aOpen = this.getCookie('co' + this.obj).split('.');
	for (var n=0; n<aOpen.length; n++)
		if (aOpen[n] == id) return true;
	return false;
};

// If Push and pop is not implemented by the browser
if (!Array.prototype.push) {
	Array.prototype.push = function array_push() {
		for(var i=0;i<arguments.length;i++)
			this[this.length]=arguments[i];
		return this.length;
	}
};
if (!Array.prototype.pop) {
	Array.prototype.pop = function array_pop() {
		lastElement = this[this.length-1];
		this.length = Math.max(this.length-1,0);
		return lastElement;
	}
};

/**************************************************   
名称: 图片轮播类   
创建时间: 2007-11-12   
示例:   
        页面中已经存在名为imgPlayer(或者别的ID也行)的节点.   
        PImgPlayer.addItem( "test", "http://nweb.cn", "http://nweb.cn/images/wy.jpg");   
        PImgPlayer.addItem( "test2", "http://nweb.cn", "http://nweb.cn/images/wy.jpg");   
        PImgPlayer.addItem( "test3", "http://nweb.cn", "http://nweb.cn/images/wy.jpg");   
        PImgPlayer.init( "imgPlayer", 200, 230 );   
备注:   
        适用于一个页面只有一个图片轮播的地方.   
***************************************************/   
var PImgPlayer = {   
        _timer : null,   
        _items : [],   
        _container : null,   
        _index : 0,   
        _imgs : [],   
        intervalTime : 6000,        //轮播间隔时间   
        init : function( objID, w, h, time ){   
                this.intervalTime = time || this.intervalTime;   
                this._container = document.getElementById( objID );   
                this._container.style.display = "block";   
                this._container.style.width = w + "px";   
                this._container.style.height = h + "px";   
                  
                this._container.style.overflow = "hidden";   
                  
                var linkStyle = "display: block; TEXT-DECORATION: none;";   
                if( document.all ){   
                        linkStyle += "FILTER:";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Barn(duration=0.5, motion='out', orientation='vertical') ";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Barn ( duration=0.5,motion='out',orientation='horizontal') ";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Blinds ( duration=0.5,bands=10,Direction='down' )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.CheckerBoard()";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Fade(duration=0.5,overlap=0)";   
                        linkStyle += "progid:DXImageTransform.Microsoft.GradientWipe ( duration=1,gradientSize=1.0,motion='reverse' )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Inset ()";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=PLUS,motion=out )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=PLUS,motion=in )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=DIAMOND,motion=in )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=SQUARE,motion=in )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=0.5,irisStyle=STAR,motion=in )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.RadialWipe ( duration=0.5,wipeStyle=CLOCK )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.RadialWipe ( duration=0.5,wipeStyle=WEDGE )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.RandomBars ( duration=0.5,orientation=horizontal )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.RandomBars ( duration=0.5,orientation=vertical )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.RandomDissolve ()";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Spiral ( duration=0.5,gridSizeX=16,gridSizeY=16 )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Stretch ( duration=0.5,stretchStyle=PUSH )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Strips ( duration=0.5,motion=rightdown )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Wheel ( duration=0.5,spokes=8 )";   
                        linkStyle += "progid:DXImageTransform.Microsoft.Zigzag ( duration=0.5,gridSizeX=4,gridSizeY=40 ); width: 100%; height: 100%";   
                }   
                //   
                var ulStyle = "margin:0;width:"+w+"px;position:absolute;z-index:999;right:5px;top:-15px;FILTER:Alpha(Opacity=50,FinishOpacity=50, Style=1);overflow: hidden;bottom:-1px;height:16px; border-right:1px solid #fff;position:relative;";
  
                //   
                var liStyle = "margin:0;list-style-type: none; margin:0;padding:0; float:right;";   
                //   
                var baseSpacStyle = "clear:both; display:block; width:23px;line-height:14px; font-size:12px; FONT-FAMILY:'宋体';opacity: 0.6;";   
                baseSpacStyle += "border:1px solid #fff;border-right:0;border-bottom:0;";   
                baseSpacStyle += "color:#fff;text-align:center; cursor:pointer; ";   
                //   
                var ulHTML = "";   
                for(var i = this._items.length -1; i >= 0; i--){   
                        var spanStyle = "";   
                        if( i==this._index ){   
                                spanStyle = baseSpacStyle + "background:#ff0000;";   
                        } else {                                   
                                spanStyle = baseSpacStyle + "background:#000;";   
                        }   
                        ulHTML += "<li style=\""+liStyle+"\">";   
                        ulHTML += "<span onmouseover=\"PImgPlayer.mouseOver(this);\" onmouseout=\"PImgPlayer.mouseOut(this);\" style=\""+spanStyle+"\" onclick=\"PImgPlayer.play("+i+");return false;\" herf=\"javascript:;\" title=\"" + this._items[i].title + "\">" + (i+1) + "</span>";   
                        ulHTML += "</li>";   
                }   
                //   
                var html = "<a href=\""+this._items[this._index].link+"\" title=\""+this._items[this._index].title+"\" style=\""+linkStyle+"\"></a><ul style=\""+ulStyle+"\">"+ulHTML+"</ul>";   
                this._container.innerHTML = html;   
                var link = this._container.getElementsByTagName("A")[0];           
                link.style.width = w + "px";   
                link.style.height = h + "px";   
                link.style.background = 'url(' + this._items[0].img + ') no-repeat center center';   
                //   
                this._timer = setInterval( "PImgPlayer.play()", this.intervalTime );   
        },   
        addItem : function( _title, _link, _imgURL ){   
                this._items.push ( {title:_title, link:_link, img:_imgURL } );   
                var img = new Image();   
                img.src = _imgURL;   
                this._imgs.push( img );   
        },   
        play : function( index ){   
                if( index!=null ){   
                        this._index = index;   
                        clearInterval( this._timer );   
                        this._timer = setInterval( "PImgPlayer.play()", this.intervalTime );   
                } else {   
                        this._index = this._index<this._items.length-1 ? this._index+1 : 0;   
                }   
                var link = this._container.getElementsByTagName("A")[0];           
                if(link.filters){   
                        var ren = Math.floor(Math.random()*(link.filters.length));   
                        link.filters[ren].Apply();   
                        link.filters[ren].play();   
                }   
                link.href = this._items[this._index].link;   
                link.title = this._items[this._index].title;   
                link.style.background = 'url(' + this._items[this._index].img + ') no-repeat center center';   
                //   
                var liStyle = "margin:0;list-style-type: none; margin:0;padding:0; float:right;";   
                var baseSpacStyle = "clear:both; display:block; width:23px;line-height:14px; font-size:12px; FONT-FAMILY:'宋体'; opacity: 0.6;";   
                baseSpacStyle += "border:1px solid #fff;border-right:0;border-bottom:0;";   
                baseSpacStyle += "color:#fff;text-align:center; cursor:pointer; ";   
                var ulHTML = "";   
                for(var i = this._items.length -1; i >= 0; i--){   
                        var spanStyle = "";   
                        if( i==this._index ){   
                                spanStyle = baseSpacStyle + "background:#ff0000;";   
                        } else {                                   
                                spanStyle = baseSpacStyle + "background:#000;";   
                        }   
                        ulHTML += "<li style=\""+liStyle+"\">";   
                        ulHTML += "<span onmouseover=\"PImgPlayer.mouseOver(this);\" onmouseout=\"PImgPlayer.mouseOut(this);\" style=\""+spanStyle+"\" onclick=\"PImgPlayer.play("+i+");return false;\" herf=\"javascript:;\" title=\"" + this._items[i].title + "\">" + (i+1) + "</span>";   
                        ulHTML += "</li>";   
                }   
                this._container.getElementsByTagName("UL")[0].innerHTML = ulHTML;           
        },   
        mouseOver : function(obj){   
                var i = parseInt( obj.innerHTML );   
                if( this._index!=i-1){   
                        obj.style.color = "#ff0000";   
                }   
        },   
        mouseOut : function(obj){   
                obj.style.color = "#fff";   
        }   
}