function trim(inputString) {
	   
              if (typeof inputString != "string") { return inputString; }
              var retValue = inputString;
              var ch = retValue.substring(0, 1);
              while (ch == " ") { 
	          //检查字符串开始部分的空格
                  retValue = retValue.substring(1, retValue.length);
                  ch = retValue.substring(0, 1);
              }
              ch = retValue.substring(retValue.length-1, retValue.length);
              while (ch == " ") {
                 //检查字符串结束部分的空格
                 retValue = retValue.substring(0, retValue.length-1);
                 ch = retValue.substring(retValue.length-1, retValue.length);
              }
              while (retValue.indexOf("  ") != -1) { 
	         //将文字中间多个相连的空格变为一个空格
                 retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
              }
              return retValue;
           } 
		    
function FormCheck() 
{ 
if (trim(document.formWrite.Ea_title.value) =="") 
{
alert("请填写您的主题！");
document.formWrite.Ea_title.focus();
return false; 
}
if (trim(document.formWrite.TrueName.value) =="") 
{
alert("请填写您的姓名！");
document.formWrite.TrueName.focus();
return false; 
}

if (trim(document.formWrite.QQ.value) =="") 
{
alert("请填写您的QQ号码！");
document.formWrite.QQ.focus();
return false; 
}
if(document.formWrite.Email.value.length!=0){
    if (document.formWrite.Email.value.charAt(0)=="." ||        
         document.formWrite.Email.value.charAt(0)=="@"||       
         document.formWrite.Email.value.indexOf('@', 0) == -1 || 
         document.formWrite.Email.value.indexOf('.', 0) == -1 || 
         document.formWrite.Email.value.lastIndexOf("@")==document.formWrite.Email.value.length-1 || 
         document.formWrite.Email.value.lastIndexOf(".")==document.formWrite.Email.value.length-1)
     {
      alert("请输入正确的 E-mail 地址!");
      document.formWrite.Email.focus();
      return false;
      }
   }
 else
  {
   alert("E-mail 不能为空!");
   document.formWrite.Email.focus();
   return false;
   }
if (trim(document.formWrite.verifycode.value) =="") 
{
alert("验证码不能为空！");
document.formWrite.verifycode.focus();
return false; 
}
document.formWrite.submit();
}