/*信息中心选项卡*/
function Initialize()
{
	document.getElementById("img1").src="pic/xx1.gif";	
	document.getElementById("img2").src="pic/xx2.gif";
	document.getElementById("img3").src="pic/xx3.gif";
	document.getElementById("img4").src="pic/xx4.gif";
	document.getElementById("content-div-1").style.display="none";
	document.getElementById("content-div-2").style.display="none";
	document.getElementById("content-div-3").style.display="none";
	document.getElementById("content-div-4").style.display="none";
}

function setDisSynthesizeNews(imgId,iPic,contentDivID)
{
	Initialize();
	if(imgId==null || document.getElementById(contentDivID)==null) return;	
	imgId.src="pic/xxzx" + iPic + ".gif";
	document.getElementById(contentDivID).style.display="block";
}

/*用背景图片选项卡*/
var ddtabmenu={
	disabletablinks: false, 
	currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), 
definemenu:function(tabid, dselected){
	this[tabid+"-menuitems"]=null
	this.addEvent(window, function(){ddtabmenu.init(tabid, dselected)}, "load")
},
showsubmenu:function(tabid, targetitem){
	var menuitems=this[tabid+"-menuitems"]
 for (i=0; i<menuitems.length; i++){
		menuitems[i].className=""
		if (typeof menuitems[i].hasSubContent!="undefined")
			document.getElementById(menuitems[i].getAttribute("rel")).style.display="none"
	}
	targetitem.className="current"
	if (typeof targetitem.hasSubContent!="undefined")
		document.getElementById(targetitem.getAttribute("rel")).style.display="block"
},
isSelected:function(menuurl){
	var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
	return (ddtabmenu.currentpageurl==menuurl)
},
addEvent:function(target, functionref, tasktype){ 
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
},
init:function(tabid, dselected){
	var menuitems=document.getElementById(tabid).getElementsByTagName("a")
	this[tabid+"-menuitems"]=menuitems
	for (var x=0; x<menuitems.length; x++){
		if (menuitems[x].getAttribute("rel")){
			this[tabid+"-menuitems"][x].hasSubContent=true
			if (ddtabmenu.disabletablinks)
				menuitems[x].onclick=function(){return false}
		}
		else //for items without a submenu, add onMouseout effect
			menuitems[x].onmouseout=function(){this.className=""}
		menuitems[x].onmouseover=function(){ddtabmenu.showsubmenu(tabid, this)}
		if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href)){
			ddtabmenu.showsubmenu(tabid, menuitems[x])
			var setalready=true
		}
		else if (parseInt(dselected)==x)
			ddtabmenu.showsubmenu(tabid, menuitems[x])
	}
}
}