//打开购车费用计算器
function winopen2(url)
{
window.open(url,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=yes,width=600,height=600,top=100,left=100");
}

//打开经销商留言
function winopen(url)
{
window.open(url,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=no,width=550,height=330,top=100,left=100");
}

//评论监测
function checkform(form) {
  if (form.content.value == ""){
    alert("请输入评论内容!");
  }else if(checklength(form.content.value)>255){
  	alert("评论内容不得大于255个字符！");
  }else{
  	form.submit();
  }
} 
function checklength(strTemp){
	var i,sum;
	sum=0;
	for(i=0;i<strTemp.length;i++){
		if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255))
			sum=sum+1;
		else
			sum=sum+2;
	}
	return sum;
}