var alphaExp = /^[a-zA-Z]+$/; /* To accept alphabet only */
	var numericExpression = /^[0-9]+$/; /* To accept numbers only */
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/; /* To validate e-mail address */

  function validate() {
	  	
	  if(document.contact_us.name.value == '') {
		  alert('Please enter Your name!');
			document.contact_us.name.focus();
			return false;
    }
		else if(document.contact_us.address.value == '') {
		  alert('Please enter Your Address!');
			document.contact_us.address.focus();
			return false;
    }
	
	else if(document.contact_us.city.value == '') {
		  alert('Please enter Your City!');
			document.contact_us.city.focus();
			return false;
    }
	else if(document.contact_us.state.value == 'Please Select') {
		  alert('Please select the state!');
			document.contact_us.state.focus();
			return false;
    }
	
	else if(document.contact_us.zipcode.value == '') {
		  alert('Please enter the Zip code!');
			document.contact_us.state.focus();
			return false;
    }
	else  if(document.contact_us.phone.value == '') {
		  alert('Please enter Your Phone number!');
			document.contact_us.phone.focus();
			return false;
    	}
		else if(document.contact_us.email.value.length == ''){
			alert("Please enter your email address!");
			document.contact_us.email.focus();
			return false;
		}
		else if(!document.contact_us.email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.contact_us.email.focus();
			return false;
		}
		
		
		
  }
  
 function validate_index() {
	  	var emailPat=/^(.+)@(.+)\.(.+)$/;

	  if(document.comments.name.value == 'Name*') {
		  alert('Please enter Your name');
			document.comments.name.focus();
			return false;
    }
		else  if(document.comments.phone.value == 'Phone*') {
		  alert('Please enter Your Phone number');
			document.comments.phone.focus();
			return false;
    	}
		else if(document.comments.area.value == 'Area of Interest*'){
			alert("Please enter Area Of Interest");
			document.comments.area.focus();
			return false;
		}
		else if(document.comments.email.value == 'E-mail*'){
			alert("Please enter your email address");
			document.comments.email.focus();
			return false;
		}
		else if (document.comments.email.value.search(emailPat)==-1)
		{
			alert("Invalid email address. Please enter again");
			document.comments.email.focus();
			return false;
		}
		
		
		return true;
		
  }