function checkForm()
{

var company=document.getElementById("company").value;
var firstname=document.getElementById("firstname").value;
var lastname=document.getElementById("lastname").value;
var formmail_mail_email=document.getElementById("formmail_mail_email").value;
var city=document.getElementById("city").value;
var state=document.getElementById("state").value;
var country=document.getElementById("country").value;
var comments=document.getElementById("comments").value;
var regExpEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;


if(company=="")
{	
alert("Please enter company name!");
document.getElementById("company").focus();
return false;
}

if(firstname=="")
{
alert("Please enter first name!");
document.getElementById("firstname").focus();
return false;
}

if(lastname=="")
{
alert("Please enter last name!");
document.getElementById("lastname").focus();
return false;
}

if(formmail_mail_email=="")
{
alert("Please enter email!");
document.getElementById("formmail_mail_email").focus();
return false;
}
if (!regExpEmail.test(document.getElementById("formmail_mail_email").value))
{
    	alert("Invalid email!Please enter valid email address..");
		document.getElementById("formmail_mail_email").focus();
		document.contactForm.formmail_mail_email.value="";
	    return false; 
}

if(city=="")
{	
alert("Please enter city!");
document.getElementById("city").focus();
return false;
}

if(state=="")
{	
alert("Please enter state!");
document.getElementById("state").focus();
return false;
}

if(country=="")
{	
alert("Please enter country!");
document.getElementById("country").focus();
return false;
}

if(comments=="")
{	
alert("Please enter comments!");
document.getElementById("comments").focus();
return false;
}

return true;
}