function add_Volunteer(){
	var emailCheck = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
	var addUser = document.volunteer;
	var emailAddress = addUser.textEmailAddress.value;
	var error_count = 0;
	
	
		//email validation
	 	if (emailCheck.test(emailAddress)==false || addUser.email.value==""){
				document.getElementById("email_required").style.color = "#ff0000";
				error_count++;
			}else{
				document.getElementById("email_required").style.color = "#000000";
		}
		
	
		//firstname validation
		if(addUser.txtFirstName.value == ""){
			document.getElementById("firstname_required").style.color ="#ff0000";
			error_count++;
		}else{
			document.getElementById("firstname_required").style.color ="#000000";
		}
	
		//lastname validation
		if(addUser.txtLastName.value == ""){
			document.getElementById("lastname_required").style.color ="#ff0000";
			error_count++;
		}else{
			document.getElementById("lastname_required").style.color ="#000000";
		}
	
	
		if(error_count > 0){
			return false;
		}else{		
			return  true;
		}		
		
}