function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_home_over = newImage("../images/nav_home-over.gif");
		nav_about_over = newImage("../images/nav_about-over.gif");
		nav_contact_over = newImage("../images/nav_contact-over.gif");
		nav_corporate_over = newImage("../images/nav_corporate-over.gif");
		nav_editorial_over = newImage("../images/nav_editorial-over.gif");
		nav_fine_over = newImage("../images/nav_fine-over.gif");
		nav_focus_over = newImage("../images/nav_focus-over.gif");
		nav_headshots_over = newImage("../images/nav_headshots-over.gif");
		nav_headshot_pkcg_over = newImage("../images/nav_headshot_pckg-over.gif");
		nav_portraits_over = newImage("../images/nav_portraits-over.gif");
		nav_production_over = newImage("../images/nav_production-over.gif");
		focus_headshots_over = newImage("../images/focus_headshots-over.gif");
		focus_portraits_over = newImage("../images/focus_portraits-over.gif");
		focus_corporate_over = newImage("../images/focus_corporate-over.gif");
		preloadFlag = true;
	}
}

//open window script
function makeWindow(url) {   showPicWindow=window.open(url,"logonwin","width=400,height=400,toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no");
	
	 showPicWindow.focus(); 
}  

function submitForm() {
	!checkContactForm();
}
	
function checkContactForm() {
	if (document.forms.contactForm.firstName.value == "") {
		alert("Please enter your first name.")
		document.contactForm.firstName.focus();
		return false;
	} else {
	if (document.forms.contactForm.lastName.value == "") {
		alert("Please enter your last name.")
		document.contactForm.lastName.focus();
		return false;
	} else {
	if (document.forms.contactForm.email.value == "") {
		alert("Please enter an email address.")
		document.contactForm.email.focus();
		return false;
	} else {
	if ((document.forms.contactForm.email.value.indexOf("@") == -1) || (document.forms.contactForm.email.value.indexOf(".") == -1)) {
		alert("Your email address is not valid. Please try again.")
		document.forms.contactForm.email.focus();
		return false;
	} else {
	if (document.forms.contactForm.phone.value == "") {
		alert("Please enter a phone number.")
		document.contactForm.phone.focus();
		return false;
	} else {
		document.contactForm.submit();	
	}
	}
	}
	}
	}

}