// JavaScript Document
function setName(val){
	if(document.contact.name.value=='Enter your name!'){
		document.contact.name.value='';
		return false;
	}
}

function resetName(){
	if(document.contact.name.value==''){
		document.contact.name.value='Enter your name!';
		return false;
	}
}

function setEmail(val){
	if(document.contact.email.value=='Enter your email!'){
		document.contact.email.value='';
		return false;
	}
}

function resetEmail(){
	if(document.contact.email.value==''){
		document.contact.email.value='Enter your email!';
		return false;
	}
}

function setComment(val){
	if(document.contact.comment.value=='Please enter your project description!'){
		document.contact.comment.value='';
		return false;
	}
}

function resetComment(){
	if(document.contact.comment.value==''){
		document.contact.comment.value='Please enter your project description!';
		return false;
	}
}

function validate(){
		
	if((document.contact.name.value=='') || (document.contact.name.value=='Enter your name!'))
		{
			alert('Please Enter your name!');	
			return false;
		}
	if((document.contact.email.value=='') || (document.contact.email.value=='Enter your email!'))
	 {
		 alert('Please Enter your email!');	
		  return false;
	 }
	var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var str = document.contact.email.value;
	
	if(!str.match(emailRegEx)){
		alert('Please enter a valid email address!');
		document.contact.email.focus();
		return false;
	}
	if((document.contact.comment.value=='') || (document.contact.comment.value=='Please enter your project description!')){
		alert('Please enter your project description!');	
		return false;
	}
	
}