var CompareHWND;
function CompareSelect(productid)
{
	if(CompareHWND)
		CompareHWND.close();
	CompareHWND=window.open("comparing.php?mode=select&productid=" + productid + "&comparingvalue=" + window.document.forms["compare_" + productid].elements["box_" + productid].checked,"Comparing","width=400, height=400, scrollbars=auto");	
}
function Compare()
{
	 if(CompareHWND)
         CompareHWND.close();
     CompareHWND=window.open("comparing.php?mode=compare","Comparing","width=400, height=400, scrollbars=auto");
}
function CompareUnselect()
{
	if(CompareHWND) 
         CompareHWND.close();
    CompareHWND=window.open("comparing.php?mode=unselect","Comparing","width=400, height=400, scrollbars=auto");
}