function isValidEmailAddress(emailAddress) {
var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
return pattern.test(emailAddress);
}
window.allDataValid = 0;

window.onload = function() {
	

    $("#contactus").submit(function() {
	
	window.allDataValid = 1;	
	document.getElementById("tr_email").value
	$(".invalidField").css('display', 'none');
	
	if(!isValidEmailAddress(document.getElementById("tr_email").value))
	{
		window.allDataValid = 0;
		document.getElementById("invalidemail").style.display = "block";
	}
	
	
	if(!(document.getElementById("tr_name").value.length>0))
	{
		window.allDataValid = 0;
		document.getElementById("invalidname").style.display = "block";
	}
	

	if(!(document.getElementById("tr_phone").value.length>7))
	{
		window.allDataValid = 0;
		document.getElementById("invalidphone").style.display = "block";
	}
	
	if(!(document.getElementById("tr_position").value.length>0))
	{
		window.allDataValid = 0;
		document.getElementById("invalidposition").style.display = "block";
	}

	if(!(document.getElementById("tr_company").value.length>0))
	{
		window.allDataValid = 0;
		document.getElementById("invalidcompany").style.display = "block";
	}

	if(!(document.getElementById("tr_country").value.length>0))
	{
		window.allDataValid = 0;
		document.getElementById("invalidcountry").style.display = "block";
	}

	if(!(document.getElementById("tr_message").value.length>0))
	{
		window.allDataValid = 0;
		document.getElementById("invalidmessage").style.display = "block";
	}
		
	if(window.allDataValid == 1)
	{		
		return true;
	}
	else
	{
		return false;
	}    
	
});



}