function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}
function contact()
{
	var e_reg=/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
	var reg = /^[a-zA-Z\s]+$/;
	if (trim(document.getElementById("contact_name").value) == "")
	{
		document.getElementById("contactmsg").innerHTML ="Name can not be blank";
		document.getElementById("contact_name").focus();
		document.getElementById("contact_name").value = '';
		return false;
	}
	else if(reg.test(document.getElementById("contact_name").value) == false)
	{
		document.getElementById("contactmsg").innerHTML ="Contact name is not valid";
		document.getElementById("contact_name").focus();
		document.getElementById("contact_name").value = '';
		return false;
	}
	else if (trim(document.getElementById("contact_email").value) == "")
	{
		document.getElementById("contactmsg").innerHTML ="Email can not be blank";
		document.getElementById("contact_email").focus();
		document.getElementById("contact_email").value = '';
		return false;
	}
	else if(e_reg.test(document.getElementById("contact_email").value) == false)
	{
		document.getElementById("contactmsg").innerHTML ="Email is not valid";
		document.getElementById("contact_email").focus();
		document.getElementById("contact_email").value = '';
		return false;
	}
	else if (trim(document.getElementById("comment").value) == "")
	{
		document.getElementById("contactmsg").innerHTML ="Comment can not be blank";
		document.getElementById("comment").focus();
		document.getElementById("comment").value = '';
		return false;
	}
	else
	{
		return true;
	}
}