// JavaScript Document
function GetSelectedItem() {

chosen = ""
len = document.form1.Know.length

for (i = 0; i <len; i++) {
if (document.form1.Know[i].checked) {
chosen = document.form1.Know[i].value
}
}

if (chosen == "Others") {
	document.form1.Others.className="show style-4";
}
else {
	document.form1.Others.className="hide style-4";
	document.form1.Others.value="";
}
}














function process()

{
	var err="";
	if(document.form1.Name.value=="") {
		err+="Please enter your name.\n";
	}
	else {
		err+="";
	}
	
	
	if(document.form1.Company.value=="") {
		err+="Please enter your company name.\n";
	}
	else {
		err+="";
	}
	
	
	var e=document.form1.Email.value;
	if(e=="")
	{
    	err+="Please enter your email address.\n";
	}
 	else
 	{
 		var e_pattern=/\b[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b/;
  		var emailcheck=e_pattern.test(e);
   		if(emailcheck==false)
		{
			err+="Please enter a valid email address.\n";
		}
		else if(emailcheck==true) {
			err+="";
		}
	}
	
	
	
	
	if(document.form1.Tel.value=="") {
		err+="Please enter your telephone number.\n";
	}
	else {
		err+="";
	}
	
	
	
	if(document.form1.Feedback.value=="") {
		err+="Please leave us your feedback.\n";
	}
	else {
		err+="";
	}
	
	
	if(err=="")
		return true;
	else
	{
		alert(err);
		return false;
	}
}