selectedButton = 'none';
imageArray = ["home","bracelets","necklaces","aboutus","contact"];
preloadImages(imageArray);

function setHomeButton(imageName) {
	mouseOver(imageName);
	selectedButton = imageName;
}

function preloadImages(imageArray) {
	for ( i = 0 ; i < imageArray.length; i++ ) {
		imageName = imageArray[i];
		eval(imageName + '_off = new Image();');
		eval(imageName + '_off.src = "./images/buttons/' + imageName + '_button_off.gif";');
		eval(imageName + '_on = new Image();');
		eval(imageName + '_on.src = "./images/buttons/' + imageName + '_button_blue.gif";');
	}
}

function mouseOver(imageName) {
	if (imageName != selectedButton) {
    	if (document.getElementById) {
        	imgSrc = eval('document.getElementById("' + imageName + '").src = ' + imageName + '_on.src;');
			document.getElementById(imageName).src = imgSrc;
		}
		else {
			imgSrc = eval(imageName + '.src = ' + imageName + '_on.src;');
    		document.images[imageName].src= imgSrc;
		}
	}
}

function mouseOut(imageName) {
	if (imageName != selectedButton) {
    	if (document.getElementById) {
        	imgSrc = eval('document.getElementById("' + imageName + '").src = ' + imageName + '_off.src;');
			document.getElementById(imageName).src = imgSrc;
		}
		else {
			imgSrc = eval(imageName + '.src = ' + imageName + '_on.src;');
    		document.images[imageName].src= imgSrc;
		}
	}
}