function initInputRollover() {
	for(var i = 0; i < document.getElementsByTagName('input').length; i++) {
		var node = document.getElementsByTagName('input')[i];
		if (		node.className.match(/^rollOver$/)
				||	node.className.match(/^rollOver\ /)
				||	node.className.match(/\ rollOver$/)
				||	node.className.match(/\ rollOver\ /)) {
			var image = new Image();
			image.src = node.getAttribute('src').replace(/normal/,'over');
			node.onmouseover = function() {
					this.setAttribute('src', this.getAttribute('src').replace(/normal/,'over'));
			}	
			node.onmouseout = function() {
					this.setAttribute('src', this.getAttribute('src').replace(/over/,'normal'));
			}	
		}
	}
}

addInitFunction(initInputRollover);