maxcoumt = 10;
defaultClassName = "offer";
checkedClassName = "offer_select";
function clickcompareBox(id,box){
	if(box.checked){
		var count = 0;
		var obj = document.form1.elements;
		for(var i = 0;i < obj.length;i++){
			if(obj[i].id.indexOf("compareBox") != -1){
				if(obj[i].checked) count++;
			}
		}
		if(count>=maxcoumt){
			alert("您已经选择了"+count+"个项目，候选项目不能超过"+count+"个");
			box.checked=false;
		}
	}
}

function cleanCookie(){
	//if(confirm("您确认执行清空操作吗？")){
	for(var i=1;i<=maxcoumt;i++){
		var elem = $("compareBox"+i);
		if(elem != null && elem.checked){
			elem.checked = false;
		}
	}
	//}
}

function actCheckbox(sign){
	var count = 0;
	var ids = "";
	var obj = document.form1.elements;
	for(var i = 0;i < obj.length;i++){
		if(obj[i].id.indexOf("compareBox") != -1){
			if(obj[i].checked){
				count++;
				if(ids == ""){
					ids = obj[i].value;
				}else{
					ids = ids + ","+obj[i].value;
				}
			}
		}
	}
	if(count < 1){
		alert("请至少选择1个项目进行操作!");
		return false;
	}else if(count > maxcoumt){
		alert("您已经选择了"+count+"个项目,候选项目不能超过"+maxcoumt+"个");
		return false;
	}
	var url = "duibi.php?ids="+ids;
	window.open(url);
}
document.write("<div id=\"logbg\"></div><div id=\"logdiv\"></div>");