var buttonFolder = "images/";

upSources = new Array("home1.png","general1.png","bedrooms1.png","menus1.png","diets1.png",
	"cyclists1.png","groups1.png","features1.png","christian1.png","contact1.png","links1.png");

overSources = new Array("home2.png","general2.png","bedrooms2.png","menus2.png","diets2.png",
	"cyclists2.png","groups2.png","features2.png","christian2.png","contact2.png","links2.png");

totalButtons = upSources.length;

// PRELOAD MAIN MENU BUTTON IMAGES
function preload() {
	for ( x=0; x<totalButtons; x++ ) {
		buttonUp = new Image();
		buttonUp.src = buttonFolder + upSources[x];
		buttonOver = new Image();
		buttonOver.src = buttonFolder + overSources[x];
	}
}

// SET MOUSEOVER BUTTON
function setOverImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + overSources[But-1];
}

// SET MOUSEOUT BUTTON
function setOutImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + upSources[But-1];
}

preload();