//拖动：====================================================================================

var draged=false
var z,x,y

function move(){
if (event.button==1&&draged){


z.style.pixelLeft=temp1+event.clientX-x
z.style.pixelTop=temp2+event.clientY-y
return false}
}

function drags(){
if (!document.all)
return
if (event.srcElement.className=="drag"){
draged=true
z=event.srcElement
temp1=z.style.pixelLeft
temp2=z.style.pixelTop
x=event.clientX
y=event.clientY
document.onmousemove=move}
}

document.onmousedown=drags
document.onmouseup=new Function("draged=false")


//图片渐显（典型工程)：=====================================================================================

var intDelay=50; //设置菜单显示速度，越大越慢
var intInterval=10;
function MenuClick()
{
if (Layer1.style.display=="")
{
GradientClose();
}
else{
Layer1.filters.alpha.opacity=0;
Layer1.style.display="";
GradientShow();
}
}

function GradientShow()
{
Layer1.filters.alpha.opacity+=intInterval;
if (Layer1.filters.alpha.opacity<100) setTimeout("GradientShow()",intDelay);
}

function GradientClose()
{
Layer1.filters.alpha.opacity-=intInterval;
if (Layer1.filters.alpha.opacity>0) {
setTimeout("GradientClose()",intDelay);
}
else {
Layer1.style.display="none";
}
}

//显示资质证书=====================================================================================
function qli(qlimg) 
{ 
OpenWindow=window.open("", "newwin", "left=200, top=120, height=450, width=610, scrollbars=yes")
OpenWindow.document.write("<div align='center' onclick=self.close()>单击图片关闭</div><br>") 
OpenWindow.document.write("<img src='images/ql-"+qlimg+".jpg' onclick=self.close() alt='单击关闭'>") 
OpenWindow.document.close() 
}