function check_link(elm){
		if(elm.name.value=='' || elm.name.value==null){
				elm.name.focus();
				alert("***Please enter your name***");
				return false;
		}
			
		if(validate_email(elm.email)==false){
				elm.email.focus();
				return false;
		}
		if(elm.webname.value=='' || elm.webname.value==null){
				elm.webname.focus();
				alert("***Please enter your web name***");
				return false;
		}
		
		if(elm.website.value=='' || elm.website.value==null || elm.website.value=="http://www."){
				elm.website.focus();
				alert("***Please type your website URL***\n(example, http://www.example.com)");
				return false;
		}
		
		if(elm.confirmtext.value=="" || elm.confirmtext.value==null){
				alert("***Please type confirm text.***\n");
				elm.confirmtext.focus();
				return false;
		}
		if(elm.confirmtext.value!=elm.verifylink.value){
				alert("***Please type the valid confirm text***");
				elm.confirmtext.focus();
				elm.confirmtext.value="";
				return false;
		}
return true;
}
function validate_email(fields) {
    if(-1 == fields.value.indexOf("@")) { 
       fields.focus(); 
       alert("Your email must have a '@'."); 
       return false; 
       }
    if(-1 != fields.value.indexOf(",")) { 
       fields.focus(); 
       alert("Your email must not have a ',' in it"); 
       return false; 
       }
    if(-1 != fields.value.indexOf("#")) { 
       fields.focus(); 
       alert("Your email must not have an '#' in it." ); 
       return false; 
       }
    if(-1 != fields.value.indexOf("!")) { 
       fields.focus(); 
       alert("Your email must not have a '!' in it." ); 
       return false; 
       }
    if(-1 != fields.value.indexOf(" ")) { 
       fields.focus(); 
       alert("Your email must not have a space in it." ); 
       return false; 
       }
    if(fields.value.length == (fields.value.indexOf("@")+1) ) {
       fields.focus();
       alert("Your email must have a domain name after the '@'.");
       return false;
       }

    if(fields.value.length == 0) { 
      fields.focus(); 
      alert("Please input your valide email address."); 
      return false; 
      }
	  
	if(fields.value.length == 0) { 
      fields.focus(); 
      alert("Please input your valide email address."); 
      return false; 
      }
    return true;
 }