var data_list=new Array();

function setClass(id,class_name)
{
    document.getElementById(id).className=class_name;
}
function setAttribute(id,att,values)
{
    document.getElementById(id).setAttribute(att, values);
}

var currId1 = 'NewProduct_1_o';
var currId2 = 'day_Product_1_o';
var currId3 = 'BiaoProduct_1_o';
function changTop1(newId)
{
	if( currId1!=null)
    {
	  document.getElementById(currId1).style.display="none";
	  document.getElementById(currId1+'_t').style.display="block";
	}	
	document.getElementById(newId).style.display="block";
	document.getElementById(newId+'_t').style.display="none";
	currId1 = newId;
}
function changTop2(newId)
{
	if( currId2!=null)
    {
	  document.getElementById(currId2).style.display="none";
	  document.getElementById(currId2+'_t').style.display="block";
	}	
	document.getElementById(newId).style.display="block";
	document.getElementById(newId+'_t').style.display="none";
	currId2 = newId;
}
function changTop3(newId)
{
	if( currId3!=null&&document.getElementById(currId3)!=null)
    {
	  document.getElementById(currId3).style.display="none";
	  document.getElementById(currId3+'_t').style.display="block";
	}	
	document.getElementById(newId).style.display="block";
	document.getElementById(newId+'_t').style.display="none";
	currId3 = newId;
}

 function getposOffset(what, offsettype)
{ 
    var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop; 
    var parentEl=what.offsetParent; 
    while (parentEl!=null)
    { 
        totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop; 
         parentEl=parentEl.offsetParent; 
    } 
    return totaloffset; 
} 
function showInfo(obj,divId){
	var locdiv=document.getElementById(divId);	
    locdiv.style.top=(getposOffset(obj,"top")+20)+"px";
	locdiv.style.left=(getposOffset(obj,"left"))+"px";
	locdiv.style.display="";
	
}
function timecloseshowinfo(divId){
	setTimeout("closeshowinfo('"+divId+"');",2000);
}
function closeshowinfo(divId){
	var mdiv=document.getElementById(divId);	
	mdiv.style.display="none";
}


function DrawImage(ImgD,maxheight)
{  
   var image=new Image(); 
   image.src=ImgD.src; 
   if(image.height>maxheight)
   {    
     ImgD.height=maxheight;      
   } 
}