// Javascript Program to Check the "realname" and "email" of a form

// CheckForm test form variable for entry and the "email" variable for format.



function checkform(f) { // f is the form (passed using the this keyword)



	f.realname.value = f.first_name.value + " " + f.last_name.value;



//	if(f.realname.value.length < 2){

//		alert("Please Enter Your Real Name.");

//		f.realname.style.background = "yellow"; // change the color of text field

//		f.realname.focus(); // put the prompt in the name field 

//		return false; // make sure the form is not submitted

//	}

	

	if(f.first_name.value.length < 2){

		alert("Please Enter Your First Name.");

		f.first_name.style.background = "yellow"; // change the color of text field

		f.first_name.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	if(f.last_name.value.length < 2){

		alert("Please Enter Your Last Name.");

		f.last_name.style.background = "yellow"; // change the color of text field

		f.first_name.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	if(f.address.value.length < 2){

		alert("Please Enter Your.");

		f.address.style.background = "yellow"; // change the color of text field

		f.address.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	if(f.city.value.length < 2){

		alert("Please Enter Your City.");

		f.city.style.background = "yellow"; // change the color of text field

		f.city.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	if(f.zip.value.length < 5){

		alert("Please Enter Your Zip.");

		f.zip.style.background = "yellow"; // change the color of text field

		f.zip.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	if(f.phone.value.length < 7){

		alert("Please Enter Your Phone.");

		f.phone.style.background = "yellow"; // change the color of text field

		f.phone.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

	// check the first email address ( the exclamation means "not" )

	if(!check_email(f.email.value)){

		alert("Invalid E-mail Address. Please Enter Your E-mail Address");

		f.email.style.background = "yellow"; // change the color of text field

		f.email.focus(); // put the prompt in the name field

		return false; // make sure the form is not submitted

	}

	

	if(f.state.value.length != 2){

		alert("Please Enter Your State.");

		f.state.style.background = "yellow"; // change the color of text field

		f.state.focus(); // put the prompt in the name field 

		return false; // make sure the form is not submitted

	}

	

}



// Email Validation. Written by PerlScriptsJavaScripts.com

function check_email(e) {

	ok = " 1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";



	for(i=0; i < e.length ;i++){

		if(ok.indexOf(e.charAt(i))<0){ 

			return (false);

		}	

	} 

	

	if (document.images) {

		re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;

		re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;

		if (!e.match(re) && e.match(re_two)) {

			return (-1);		

		} 

	}

}