function contact_us_page_mail(){
	if(document.getElementById('txtname').value == ""){
		alert('Please Enter Your Name!');
		document.getElementById('txtname').focus();
		return false;
	}else if(document.getElementById('txtmail').value == ""){
		alert('Please Enter Your Email!');
		document.getElementById('txtmail').focus();
		return false;
	}else if(document.getElementById('comment').value == ""){
		alert('Please Enter Your Comment!');
		document.getElementById('comment').focus();
		return false;
	}else if(document.getElementById('txtmail').value != ""){
		if(!validateEmail(document.getElementById('txtmail').value))
		{
			alert('Enter Email Correctly!');
			document.getElementById('txtmail').focus();
			return false;
		}
		else
		{
			return true;
		}
	}
}

function news_letter(){
	if(document.getElementById('txtnameNews').value == ""){
		alert('Please Enter Your Name!');
		document.getElementById('txtnameNews').focus();
		return false;
	}else if(document.getElementById('txtmailNews').value == ""){
		alert('Please Enter Your Email!');
		document.getElementById('txtmailNews').focus();
		return false;
	}else if(document.getElementById('txtmailNews').value != ""){
		if(!validateEmail(document.getElementById('txtmailNews').value))
		{
			alert('Enter Email Correctly!');
			document.getElementById('txtmailNews').focus();
			return false;
		}
		else
		{
			return true;
		}
	}
}

// checks if the email is correct or not //
function validateEmail(elementValue){  
var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;  
 return emailPattern.test(elementValue);  
}