// imageswapover/back script



function swapimageover(over,id) {

				var c = 'images/layout/' + over ;

  				document.images[id].src= c;

  				return true;

}



function imagechange(change,id) 

{

	var c = '../images/tyres/' + change + '.jpg' ;

	document.images[id].src = c ;

	return true;

}



function isNumberKey(evt){

         var charCode = (evt.which) ? evt.which : event.keyCode

         if (charCode > 31 && (charCode < 48 || charCode > 57))

            return false;

}



var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i



function banthatat(event,form){

	if (event && event.which == 64 || event.keyCode==64)

	{

		alert( "Due To Spammers The" + '\n' + "@" + '\n' + "Is Not Permitted" + '\n' + "In This Entry"+'\n');

		value="Try Again Without The @" ;

		return false ;

	}

}



isIE=document.all? 1:0



function checkfields(f) {

	var returnval = "true";



	var msg = "The Following errors have occured :                  \n";

		

	if (f.firstname.value.length < 3)

	{

		f.firstname.select() ;

		var msg = msg + 'First Name entered is less than 3 Letters\n';

		var returnval="fake";

	}



	if (f.surname.value.length < 3)

	{

		f.surname.select() ;

		var msg = msg + 'Surname entered is less than 3 Letters\n';

		var returnval="fake";

	}

	

	if (f.phonenumber.value.length < 3)

	{

		f.phonenumber.select() ;

		var msg = msg + 'Phonenumber entered is less than 6 characters\n';

		var returnval="fake";

	}



	if (f.age.value.length < 1)

	{

		f.age.select() ;

		var msg = msg + 'Enter Your Age\n';

		var returnval="fake";

	}



	if (f.previous1.value.length < 3)

	{

		f.previous1.select() ;

		var msg = msg + '\n';

		var returnval="true";

	}



	var emailval=emailfilter.test(f.email.value)

	if (emailval==false)

	{

		f.email.select();

		var msg = msg + 'Email address is Invalid \n' ;

		var returnval="fake" ;

	}

		

	if (returnval=="fake")

	{

		alert (msg) ;

		return false;

	}

return true;

}



function popview(q) {

	var url = "includes/images.php?tyre=" + q ;

	newwindow=window.open(url,'view','height=400,width=500,resizable=yes,scrollbars=yes,toolbar=no,status=no,left=10,top=30');

	if (window.focus) {newwindow.focus()}



}