<script Language="JavaScript"> 
function FormCheck() 
{ 
if (trim(document.Form1.username.value) =="")
{
alert("дû");
document.Form1.username.focus();
return false;
}
var filter=/^\s*[A-Za-z0-9]{6,20}\s*$/;
if (!filter.test(document.Form1.username.value)) { 
alert("ûдȷ,дʹõַΪA-Z a-z 0-9ȲС6ַ20ַעⲻҪʹÿո"); 
document.Form1.username.focus();
document.Form1.username.select();
return false; 
} 
if (trim(document.Form1.pass.value) =="") 
{
alert("д룡");
document.Form1.pass.focus();
return false; 
}
var filter=/^\s*[A-Za-z0-9]{6,20}\s*$/;
if (!filter.test(document.Form1.pass.value)) { 
alert("дȷ,дʹõַΪA-Z a-z 0-9 ȲС6ַ20ַעⲻҪʹÿո"); 
document.Form1.pass.focus();
document.Form1.pass.select();
return false; 
} 
if(trim(document.Form1.confirmpassword.value) ==""){
alert("ȷ룡");
document.Form1.confirmpassword.focus();
return false;
}
if (document.Form1.pass.value!=document.Form1.confirmpassword.value ){
alert("д벻һ£д"); 
document.Form1.pass.focus();
document.Form1.pass.select();
return false; 
} 
if (trim(document.Form1.question.value) =="") 
{ 
alert("ѡʾ⣡"); 
document.Form1.question.focus(); 
return (false); 
} 
if (trim(document.Form1.answer.value) =="") 
{ 
alert("ʾ𰸣"); 
document.Form1.answer.focus(); 
return (false); 
} 

if (trim(document.Form1.country1.value) =="й") 
{ 
if (trim(document.Form1.province.value) =="")
{
alert("ѡʡݣ"); 
document.Form1.province.focus(); 
return (false); 
}
if (trim(document.Form1.city.value) =="")
{
alert("ѡؼУ"); 
document.Form1.city.focus(); 
return (false); 
}
} 

if (trim(document.Form1.linkman.value) =="") 
{ 
alert("ʵ"); 
document.Form1.linkman.focus(); 
return (false); 
} 
var  check=true;
      for(var i=0;i<document.Form1.ch.length;i++){

 if (document.Form1.ch[i].checked) {
		 check=false;
		break;
        }	
       }
              if (check){
          alert("дԱ");
          document.Form1.ch[1].focus();
          return (false);
       }  
       
//֤Ŵ       
if (trim(document.Form1.idcard.value) =="")
{
alert("д֤ţ");
document.Form1.idcard.focus();
return false;
}
var filter=/^\s*[0-9]{15,18}\s*$/;
if (!filter.test(document.Form1.idcard.value)) { 
alert("֤дȷ,дʹõַΪ0-915--18֣עⲻҪʹÿո"); 
document.Form1.idcard.focus();
document.Form1.idcard.select();
return false; 
} 
//绰
if (trim(document.Form1.tel.value) =="")
{
alert("дĵ绰룡");
document.Form1.tel.focus();
return false;
}
//ַ
if (trim(document.Form1.linkaddr.value) =="")
{
alert("дϵַ");
document.Form1.linkaddr.focus();
return false;
}  
 
//洦email    
if (trim(document.Form1.email.value) =="")
{
alert("ĵʼַ");
document.Form1.email.focus();
document.Form1.email.select();
return false;
}
var str1 = document.Form1.email.value
if(str1.indexOf("@") == -1 || str1.indexOf(".") == -1){ 
alert("E-mailʽȷ,д"); 
document.Form1.email.focus();
document.Form1.email.select();
return false; 
} 


 
document.Form1.submit()
}
//-->
//-->
function trim(inputString) {
	   
              if (typeof inputString != "string") { return inputString; }
              var retValue = inputString;
              var ch = retValue.substring(0, 1);
              while (ch == " ") { 
	          //ַʼֵĿո
                  retValue = retValue.substring(1, retValue.length);
                  ch = retValue.substring(0, 1);
              }
              ch = retValue.substring(retValue.length-1, retValue.length);
              while (ch == " ") {
                 //ֵַĿո
                 retValue = retValue.substring(0, retValue.length-1);
                 ch = retValue.substring(retValue.length-1, retValue.length);
              }
              while (retValue.indexOf("  ") != -1) { 
	         //мĿոΪһո
                 retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
              }
              return retValue;
           } 

//--> 
</script>