function set_item_class(id)
{for(i=1;i<=10;i++){if(id==i){document.getElementById("pro_"+i+"_2").style.display="";document.getElementById("pro_"+i+"_2").style.background="url(/image/item_h"+i+"_on.gif) no-repeat 14px 0px";document.getElementById("pro_"+i+"_1").style.display="none";}else{document.getElementById("pro_"+i+"_2").style.display="none";document.getElementById("pro_"+i+"_1").style.display="";document.getElementById("pro_"+i+"_1").style.background="url(/image/item_h"+i+".gif) no-repeat 19px 5px";}}}