// JavaScript Document

// BEGIN >>> preload footer swap imgs
var myimages=new Array()
function preloadimages() {
	for (i=0;i<preloadimages.arguments.length;i++) {
		myimages[i]=new Image()
		myimages[i].src=preloadimages.arguments[i]
	}
}
preloadimages("images/footer_home.gif","images/footer_portfolio.gif","images/footer_services.gif","images/footer_contact.gif")
// END

// BEGIN >>> footer swap img
function swapFooter(img) {
document.getElementById("footer").style.background='url(images/'+img+'.gif)';
}
function footerReturn() {
document.getElementById("footer").style.background='url(images/footer_off.gif)';
}
// END
// [BEGIN] validation for form ***************************************************************************************
function validate(img, ans_1, email) {
	// is checking for which img was displayed
	switch (img) {
		case 0:
			ans_2 = 2;
			break;
		case 1:
			ans_2 = 4;
			break;
		case 2:
			ans_2 = 4;
			break;
		case 3:
			ans_2 = "red";
			break;
		case 4:
			ans_2 = 6;
			break;
		case 5:
			ans_2 = "yellow";
			break;
		case 6:
			ans_2 = 8;
			break;
		case 7:
			ans_2 = "blue";
			break;
		case 8:
			ans_2 = 10;
			break;
		case 9:
			ans_2 = "brown";
			break;
	}
	// checks for valid email address and then if question was answered correctly
	if ((email.indexOf(".") > 2) && (email.indexOf("@") > 0)) {
		if (ans_2 == ans_1) {
			document.contact.verify.value = 'yes';
			document.contact.submit();
		} else {
			alert('The human verification question is incorrect! Make sure you do not use any capital letters.  Please try again.');
		}
	} else {
		alert('Your email seems to be incorrect or missing.  Please try typing it again.');
	}
}
// [END] validation for form ***********



































































































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