<!--//--><![CDATA[//><!--
function menuFix() {
 var sfEls = document.getElementById("nav").getElementsByTagName("li");
 for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseUp=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), 

"");
  }
 }
}

//--><!]]>


<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//-->


//通用选择条目（反选-全选）--------------------------------------------------------

var AllCheck=0
function checkAll(name){
	var el = document.getElementsByTagName('input');
	var len = el.length;
	for(var i=0; i<len; i++){
		if((el[i].type=="checkbox") && (el[i].name==name)){
			el[i].checked = true;
		}
	}
	AllCheck=1
}
function clearAll(name){
	var el = document.getElementsByTagName('input');
	var len = el.length;
	for(var i=0; i<len; i++){
		if((el[i].type=="checkbox") && (el[i].name==name)){
			el[i].checked = false;
		}
	}
	AllCheck=0
}
function checkbox(){
	var inpObj=document.getElementsByTagName('input'),j=inpObj.length;
	for (var i=0;i<j;i++)
		if(inpObj([i].type=="checkbox") && (inpObj[i].name=="StartPoint"))
			inpObj[i].onclick=function(){clickInp(this)}
	AllCheck=1
}
function clickInp(o){
	if (AllCheck){
		clearAll('StartPoint');
		o.checked=1
		document.getElementById("checkbox").checked=0
	}
}
window.onload=function(){
	menuFix();
	checkbox();
}


function isEmail(vEMail)
{
	var regInvalid=/\w+@\w+\.\w+/i;
	return (regInvalid.test(vEMail));
}

function isusername(vusername){
	var regusername = /^[\u0391-\uFFE5\A-Za-z0-9_]*$/;
	return (regusername.test(vusername));
}
function voidNum(argValue) 
{
   var flag1=false;
   var compStr="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-";
   var length2=argValue.length;
   for (var iIndex=0;iIndex<length2;iIndex++)
   {
	   var temp1=compStr.indexOf(argValue.charAt(iIndex));
	   if(temp1==-1) 
	   {
	      flag1=false;
			break;							
	   }
	   else
	   { flag1=true; }
   }
   return flag1;
} 

function Checksend()
{
   var uuLen = document.send.name.value.replace(/[^\x00-\xff]/g, "**").length ;
   if (uuLen < 4 || uuLen > 14)
   {
	  alert(uuLen < 4 ? '您的姓名小于4个字符' : '您的姓名超过 14 个字符');
      document.send.name.focus();
	  return false;
   }
   else if( !isusername(document.send.name.value) )
   {
	  alert("请正确输入您的姓名，请不要使用特殊符号。");
      document.send.name.focus();
	  return false;
   }
	
	if (!isEmail(document.send.email.value))
	{
	  alert("把您正确的邮箱也写上吧,我们会保密的。");
	  document.send.email.focus();
	  return false;
	}
	if (!voidNum(document.send.tel.value) && document.send.tel.value.length!=0)
	{
	  alert("请输入正确您的电话。");
	  document.send.tel.focus();
	  return false;
	}
	var untitle =document.send.title.value;
	if (untitle < 4 || untitle > 255)
	{
	  alert(untitle < 4 ? '主题不能为空及4个字符以上！' : '主题不能超过255个字符！');
	  document.send.title.focus();
	  return false;
	}
	
	var uncontent =document.send.content.value;
	if (uncontent < 4 || uncontent > 2000)
	{
	  alert(uncontent < 4 ? '内容不能为空及4个字符以上！' : '大神你留什么言，不能超过2000个字符哦！');
	  document.send.content.focus();
	  return false;
	}
	return true;
}