// rollover

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) {
		home_over = newImage("../ct_elements/tab_home_on.jpg");
		about_over = newImage("../ct_elements/tab_about_on.jpg");
		projects_over = newImage("../ct_elements/tab_projects_on.jpg");
		portfolio_over = newImage("../ct_elements/tab_portfolio_on.jpg");
		awards_over = newImage("../ct_elements/tab_awards_on.jpg");
		contact_over = newImage("../ct_elements/tab_contact_on.jpg");
		preloadFlag = true;
	}
}

// image window


function newPortfolioWindow(img) {

	winfeatures = "toolbar=no,location=no,directories=no,status=no,scrollbars,resizable,left=20,top=20,width=660,height=660";
	
	url = 'enlarge.php?img=' + img;
	
	newWindow = window.open( url,"enlargeView",winfeatures );
	newWindow.focus();
	
}

function newProjectWindow(img) {

	winfeatures = "toolbar=no,location=no,directories=no,status=no,scrollbars,resizable,left=20,top=20,width=660,height=660";
	
	url = '../enlarge.php?img=' + img;
	
	newWindow = window.open( url,"enlargeView",winfeatures );
	newWindow.focus();
	
}