function setTab(name,cursel,n){
	for(i=1;i<=n;i++){
		var menu=document.getElementById(name+i);
  		var con=document.getElementById("con_"+name+"_"+i);
  		menu.className=i==cursel?"now-tab":"";
  		con.style.display=i==cursel?"block":"none";
 	}
}


function doZoom(size)
{
var zoom=document.all?document.all['main']:document.getElementById('main');
zoom.style.fontSize=size+'px';
//document.getElementById('tanmain').style.fontSize=size+'px';
}
function doZoom1(size)
{
document.getElementById('tanmain').style.fontSize=size+'px';
}
function doZoom2(size)
{
//var zoom=document.all?document.all['whlist']:document.getElementById('whlist');
document.getElementById('whlist').style.fontSize=size+'px';
}
function fontsize(size)
{
    document.getElementById('tanmain1').style.fontSize=size+'px';
}



/* +++++++++++++++++工程咨询与工程设�?切换效果+++++++++++++++++++++ */
function choosetab(num){
    var titlelen=document.getElementById("desgin-main").getElementsByTagName("h5");
    for (var i=0; i<titlelen.length; i++) {
        document.getElementById("design-txt-"+i).style.display="none";
        document.getElementById('desgin-title-'+i).className=" "
        if (i==num) {
            document.getElementById("design-txt-"+num).style.display="block";
            document.getElementById('desgin-title-'+num).className="now-lan"
        }
    }
}

  function openwin(url)   
  {   
    if(url != "")
    {
         var obj = document.getElementById("tagOpenWin");   
         obj.href   =   url;   
         obj.click();   
    }
  }