function chkempty()
	  {
			 var Name = document.getElementById('name').value;
				if(Trim(Name) == "")
				{
					alert("Please enter name.");
					document.getElementById('name').focus();
					return false;
				}
				
				var company = document.getElementById('Company').value;
				if(Trim(company) == "")
				{
					alert("Please enter company name.");
					document.getElementById('Company').focus();
					return false;
				}
				
				
				
				var phone = document.getElementById('phone').value;
				if(Trim(phone) == "")
				{
					alert("Please enter Phone no.");
					document.getElementById('phone').focus();
					return false;
				} else {
					if(isNaN(phone)) {
						alert("Please enter numbers only in Phone no.");
						document.getElementById('phone').focus();
						return false;
					}
				}
				
			
			   	var email	=	document.getElementById('email').value;
				var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
			
				if( Trim( email) == "") {
					alert('Please enter email address');
					document.getElementById('email').focus();
					return false;
				} else {
					if (!filter.test(Trim(email))) {
						alert('Please enter valid email address');
						document.getElementById('email').focus();
						return false;
					}
				}
			
			var add = document.getElementById('address').value;
				if(Trim(add) == "")
				{
					alert("Please enter address");
					document.getElementById('address').focus();
					return false;
				} 
			
			
			
				
				var citycity = document.getElementById('city').value;
				if(Trim(citycity) == "")
				{
					alert("Please enter your city.");
					document.getElementById('city').focus();
					return false;
				}
				
				
					var state = document.getElementById('state').value;
				if(Trim(state) == "")
				{
					alert("Please enter your State.");
					document.getElementById('state').focus();
					return false;
				}
				
				
					var zipcode = document.getElementById('zip').value;
				if(Trim(zipcode) == "")
				{
					alert("Please enter your Zip Code.");
					document.getElementById('zip').focus();
					return false;
				} else {
					if(isNaN(zipcode)) {
						alert("Please enter numbers only in zip code.");
						document.getElementById('zip').focus();
						return false;
					}
				}
			
		return true;	
		
}

function Trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}