//------------------------------------------------------------------------功能JS
function doZoom(size){
	document.getElementById('zoom').style.fontSize=size+'px'
}
function checkall(form)
 {
	 var str="";
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.id == 'list')
       if(e.checked)
		str=e.value;
    }
	  if (str == ""){
            alert("请选择投票项目!");
            return false;
        }

  }
function fucCheckLength(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;
}
function fucCheckTEL(TEL)
{
	var i,j,strTemp;
	strTemp="0123456789-()#呼转 ";
	for (i=0;i<TEL.length;i++)
	{
		j=strTemp.indexOf(TEL.charAt(i));
		if (j==-1)
		{
		//说明有字符不合法
			return 0;
		}
		}
    //说明合法
    return 1;
}
function fucCheckNUM(NUM)
{
    var i,j,strTemp;
    strTemp="0123456789";
    if ( NUM.length== 0)
        return 0
    for (i=0;i<NUM.length;i++)
    {
        j=strTemp.indexOf(NUM.charAt(i));
        if (j==-1)
        {
        //说明有字符不是数字
            return 0;
        }
    }
    //说明是数字
    return 1;
}
function fucCheckNO(NO)
{
    var i,j,strTemp;
    strTemp="ABCDEFGHabcdefgh0123456789";
    if ( NO.length== 0)
        return 0
    for (i=0;i<NO.length;i++)
    {
        j=strTemp.indexOf(NO.charAt(i));
        if (j==-1)
        {
        //说明有字符不是数字
            return 0;
        }
    }
    //说明是数字
    return 1;
}
//+++++++++++++++检查e-mail的合法性
function chkemail(a)
{
	var i=a.length;
	var temp = a.indexOf('@');
	var tempd = a.indexOf('.');
	if (temp > 1) {
		if ((i-temp) > 3){
			if ((i-tempd)>0){
				return 1;
			}
		}
	}
	return 0;
}
 
 
//-----------------------------------------------------------------------check_data
function check_data(){
   if(form1.name.value.length==""){
       alert("Please Input Your Name!");
	   form1.name.focus();
	   return false;
   } 
   if(form1.fax.value.length==""){
       alert("Please Input Your Message!");
	   form1.fax.focus();
	   return false;
   } 
//-----------------------------------------------------------

 
 
  /*  if(form1.tel.value!=""){
	  if(fucCheckTEL(form1.tel.value)==0){
	    alert("Error Telephone Number!");
	    form1.tel.focus();
	    return false;
	  }   
   }*/
 
 
 
//-----------------------------------------------------------
   if(form1.email.value==""){
       alert("Please Input Your Email!");
	   form1.email.focus();
	   return false;
   }else{   
     if(chkemail(form1.email.value)==0){
      alert("Error Email!");
	  form1.email.focus();
	  return false;
     }   
   }
//-----------------------------------------------------------
}