function chgImg( imgName, newImg ) {

	if ( document.images ) {

		document[imgName].src = eval(newImg + ".src");
	}
}

function viewPhoto( imgName, imgSrc ) {
	
	document[imgName].src = imgSrc;
}


function changeClass( element, className ) {

	var thisElement;
	thisElement = document.getElementById( element );
	thisElement.attributes['class'].value = className;
}