// JavaScript Document
function  isNumber(String)
{  
var  Letters  =  "1234567890-";
var  i;
var  c;
if(String.charAt(  0  )=='-')
return  false;
if(  String.charAt(  String.length  -  1  )  ==  '-'  )
return  false;
for(  i  =  0;  i  <  String.length;  i  ++  )
{  
c  =  String.charAt(  i  );
if  (Letters.indexOf(  c  )  <  0)
return  false;
}
return  true;
}

function Chkfrom(){
	var err="";
	var	error=false;
	if(document.form1.fname.value=="")
	{
	  err+="Please fill in your first name.\n";
	  error=true;
	}
	if(document.form1.lname.value=="")
	{
	  err+="Please fill in your last name.\n";
	  error=true;
	}
	if(document.form1.email.value=="")
    {
	  err+="Please fill in your email address.\n";
	  error=true;
    }
	else
	{
		mail = document.form1.email.value;
		if(mail.indexOf('@',0) == -1 || mail.indexOf('.',0) == -1){
			err+="Please enter a valid email address.\n";
	  		error=true;
		} 
	}
	/*if(document.form1.address.value==""){
	  err+="Please fill in your address.\n";
	  error=true;
	}*/
	if(document.form1.city.value==""){
	  err+="Please fill in your city.\n";
	  error=true;
	}
	if(document.form1.postal.value==""){
	  err+="Please fill in your postal code.\n";
	  error=true;
	}
	if(document.form1.state.value==""){
	  err+="Please fill in your province/state.\n";
	  error=true;
	}
	if(document.form1.country.value==""){
	  err+="Please fill in your country.\n";
	  error=true;
	}
	if(document.form1.phone.value==""){
	  err+="Please fill in your phone.\n";
	  error=true;
	}
		if(document.form1.interest.value==""){
	  err+="Please fill in your product interest.\n";
	  error=true;
	}
	
	if(document.form1.how.value==""){
	  err+="Please fill in How did you hear about us.\n";
	  error=true;
	}
	if(document.form1.comments.value==""){
	  err+="Please fill in your comments.\n";
	  error=true;
	}
	if(error){
		alert(err);
		return false;
	}
}