function ProductCompare()
    {
        var cb = document.getElementsByName("pid"); 
        var pids = ""; 
        var n = 0;
        var isselected = false;
        for( var i = 0; i < cb.length; i++ ) 
        { 
            if ( cb[i].checked )
            {
                n++;
                pids += cb[i].value+','; 
                isselected = true;
                if(n>4){
                    window.alert("选择的产品不能超过4个！");
                    return;
                }
            }
        }

        if(!isselected)
        {
            window.alert("您还没有选择产品！");
            return;
        }
        if(n==1){
            window.alert("不能只选择1个产品！");
            return;
        }
        
        pids = pids.substr(0,pids.length-1);
        document.forms["compareForm"].action = "Company/pro_compare.aspx?ids=" + pids;
        document.forms["compareForm"].submit();
    }

function ViewClass(cid)
    {
        var productname = document.getElementById("hdProductName").value;
        var province = document.getElementById("proSelValue").value;
        var supplierid = document.getElementById("txtsupplierid").value;
        var supplieridSel = "";
        if(supplierid!="")
        {
          supplieridSel = "&supplierid="+escape(supplierid);
        }
        //window.location.href = "index_cpzj.aspx?productname=" + productname + "&cid=" + cid;
        document.forms["compareForm"].action = "index_cpzj.aspx?productname=" + escape(productname) + "&cid=" + cid+"&province="+escape(province)+supplieridSel+"";
        document.forms["compareForm"].target="_blank";
        document.forms["compareForm"].submit();
    }
    
    
function ViewClass1(hid,type)
    {
        //var productname = document.getElementById("hdProductName").value;
        //window.location.href = "index_cpzj.aspx?productname=" + productname + "&cid=" + cid;
        if(type=="0")
        {
          document.forms["compareForm"].action = "norecord.aspx?hid=" + hid;
        }
        if(type=="1")
        {
          document.forms["compareForm"].action = "norecord.aspx?nid=" + hid;
        }
        if(type=="2")
        {
          document.forms["compareForm"].action = "index_cpzj.aspx?cid=" + hid;
        }
        document.forms["compareForm"].target="_self";
        document.forms["compareForm"].submit();
        
    }