<!--
times=0;
ida=0;
idb=0;
function check(cbox)
{
if(cbox.checked==false) {if(times!=0) times=times-1;
                         if(idb!=0) idb=0;
                         else ida=0;
                         }
else {times=times+1;

if(times==3) {alert("只能选择两种产品进行比较！");
              times=times-1;
              return (cbox.checked=false);
              }
      if(ida!=0) idb=cbox.value;
      else ida=cbox.value;
      }
}

function v()
{if(times<2) {alert("选择两种产品才能比较！");
              return (location=location.href);
              }
window.open('product/compare.asp?method=compare&ida='+ida+'&idb='+idb);
}
function Selectall(form){
         var selall = form.elements("selall").checked;
         var i;
         for(i=0; i<form.elements("condition[]").length; i++){
             form.elements("condition[]").options[i].selected=selall;
         }
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
-->