function Validate(){
	var username = document.getElementById('username').value;
	var email = document.getElementById('email').value;
	var phone = document.getElementById('phone').value;
	if(username=="Username" || username ==""){
		alert('Please enter Username');
		return false;
	}
	var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email)) {
		alert('Please enter a valid Email address!');
		return false;
	}
	
	if(phone=="Phone" || phone==""){
		alert("Please enter Phone number!");
		return false;
	}else{
		var stripped = phone.replace(/[\(\)\.\-\ ]/g, '');//strip out acceptable non-numeric characters
		if (isNaN(parseInt(stripped))) {
		   alert("The Phone number contains illegal characters!");
		   return false;
		}
	}
	
}


function Validations(){
		var ErrorMsg = "Following fields must be completed.. \n\n";
		var Error = 0;
		
		var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		var address = document.getElementById('email').value;
		
		//name validation start
		if(document.getElementById('name').value == "" ){
			ErrorMsg = ErrorMsg + "Please Provide Your  Name \n\n";
			Error = 1;
		}
		//name validation end
		
		//email validation start
		if(document.getElementById('email').value == "" )
		{
			ErrorMsg = ErrorMsg + "Please Provide Your Email \n\n";
			Error = 1;
		}
		else
		{
			if(reg.test(address) == false) {
				ErrorMsg = ErrorMsg + "Please Provide Your Valid Email Address \n\n";
				Error = 1;
			}
		}
		//email validation end
		
		//phone validation start
		if(document.getElementById('phone').value.search(/\d{3}\-\d{3}\-\d{4}/)==-1 && document.getElementById('phone').value.search(/\d{3}\s{1}\d{3}\s{1}\d{4}/)==-1 && document.getElementById('phone').value.search(/\d{10}/)==-1){
			ErrorMsg = ErrorMsg + "Enter Valid Phone : e.g. (xxx-xxx-xxxx or xxx xxx xxx or xxxxxxxxxx) \n\n";
			Error = 1;
				
		}
		//phone validation end
		
		//comments validation start
		if(document.getElementById('comments').value == "" ){
			ErrorMsg = ErrorMsg + "Please Provide Your  Comments \n\n";
			Error = 1;
		}
		//comments validation end		
			
		if(Error == 1){
			alert(ErrorMsg);
			return false;
		}
		else{
			return true;
		}
	}