String.prototype.trim = function() {
a = this.replace(/^\s+/, '');
return a.replace(/\s+$/, '');
};

function ValidateForm(){
	var str=document.leadform.email.value;
	var lname = document.leadform.lastname.value;
	var company = document.leadform.company.value;	
	var regexps =new RegExp(/^[a-zA-Z0-9]+([\_\-\.]*[a-zA-Z0-9]+[\_\-]?)*@[a-zA-Z0-9]+([\_\-]?[a-zA-Z0-9]+)*\.+([\-\_]?[a-zA-Z0-9])+(\.?[a-zA-Z0-9]+)*$/)

	if(lname.trim() == ''){
                alert("Last name required..");
                return false;
        }else if(company.trim() == ''){
		alert("Company name required .. ");
		return false;
	}
	if (regexps.test(str) || (str == '')) {
		document.leadform.submit();
	}
	else
	{	
		alert('Invalid Email Id');
		return false;
	}	
}