function GetObj(objName){
				if(document.getElementById){
					return eval('document.getElementById("' + objName + '")');
				}else if(document.layers){
					return eval("document.layers['" + objName +"']");
				}else{
					return eval('document.all.' + objName);
				}
			}
			function SetS(preFix, idx){
				for(var i=0;i<9;i++){
					if(GetObj(preFix+"_s_"+i)) GetObj(preFix+"_s_"+i).className = "newhead_off";
					if(GetObj(preFix+"_con_"+i)) GetObj(preFix+"_con_"+i).style.display = "none";
				}
				GetObj(preFix+"_s_"+idx).className = "newhead_on";
				GetObj(preFix+"_con_"+idx).style.display = "block";
			}


function delselect()
{
	var checkall = document.getElementsByName("checkboxes[]");
	for(var i = 0;i < checkall.length; i ++)
	{
		if(checkall[i].type == "checkbox" && checkall[i].checked == true )
		{
			checkall[i].checked = false;
		}

	}
}
function askall(type)
{
	var checkall = document.getElementsByName("checkboxes[]");
	var info = num = 0;
	for(var i = 0;i < checkall.length; i ++)
	{
		if(checkall[i].type == "checkbox" && checkall[i].checked == true )
		{
			if(Utils.isNumber(checkall[i].value)){
	            info+=','+Utils.trim(checkall[i].value);
	            num++;
			}else{
				alert('非法参数');
				return false;
			}
		}
	}
	if(num<2) {alert('您必须选择两条以上信息！！');return false;}
	if(num>5){alert('您最多能选择五条信息！！');return false;}
	window.open("/compare.php?infolist="+info+'&infotype='+type);
}

function isfrist()
{
	alert('已经是第一页了！！');
}			
function isend()
{
	alert ('已经是最后一页了！！');
}
function pagegosubmit(n)
{  
	if(n==null || n=='' || n=='undefined'){
		alert('请输入正确的值！');
		return false;
	}else{
		document.pagego.submit();
	}
}