//以下为下拉菜单部分
function showmenu(elmnt)
{
document.getElementById(elmnt).style.visibility="visible"
}
function hidemenu(elmnt)
{
document.getElementById(elmnt).style.visibility="hidden"
}


//以下为主菜单部分
//设置图片切换方式 CSS (transition=0 to 23)
document.write('<STYLE TYPE="text/css">.imgTrans{ filter:revealTrans(duration=0.3,transition=12) }</STYLE>');

var onImages=new Array();
function Rollover(imgName, imgSrc)
{
	onImages[imgName] = new Image();
	onImages[imgName].src = imgSrc;
}


function turnOn(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].apply();
	document.images[imgName].offSrc = document.images[imgName].src;
	document.images[imgName].src    = onImages[imgName].src;
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].play();
}

function turnOff(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].stop();
	document.images[imgName].src = document.images[imgName].offSrc;
}

//Specify name of participating images, plus paths to their onMouseover replacements:
Rollover("l11",  "imgs/12.gif");
Rollover("l21",  "imgs/22.gif");
Rollover("l31",  "imgs/32.gif");
Rollover("l41",  "imgs/42.gif");
Rollover("l51",  "imgs/52.gif");
Rollover("l61",  "imgs/62.gif");
Rollover("l71",  "imgs/72.gif");
Rollover("l81",  "imgs/82.gif");
Rollover("seach",  "imgs/seach_b2.gif");




//产品显示内容替换
function vdframe(urlx)
{
document.getElementById("vdf").src=urlx
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}

function ToggleDisplay(oButton, oItems){
		if ((oItems.style.display == "") || (oItems.style.display == "block"))	{
			oItems.style.display = "none";
			oButton.src = "/images/tree_plus.gif";
		}	
		else {
			oItems.style.display = "block";
			oButton.src = "/images/tree_minus.gif";
		}
		return false;
	}
function UnFoldAll() {
		temp = document.all.length;
	    for(i=0;i<temp;i++)
		    if(document.all[i].id.substr(0,3) =="Img")
			    document.all[i].src = "/images/tree_minus.gif"
	        else if(document.all[i].id.substr(0,4) =="Tree")
		        document.all[i].style.display ="block"
	}
function FoldAll() {
		temp = document.all.length;
	    for(i=0;i<temp;i++)
		    if(document.all[i].id.substr(0,3) =="Img")
			    document.all[i].src = "/images/tree_plus.gif"
	        else if(document.all[i].id.substr(0,4) =="Tree")
		        document.all[i].style.display ="none"
	}