function pickCheck(pickers){
var text = document.getElementsByName(pickers);
var result='';
for(var i=0; i<text.length; i++)
{
	if(text[i].checked == true)
	{
		result=true;	
	}
}
if(result != true)
{
	alert("请选择您比满意的答案！");
	return false;	
}
}