addEvent(window, 'load', bindRollover);

function rollover() {
	var element = rollover.arguments[0];
	var temp = new Array();

	temp[1] = element.src.substring(element.src.length-4, element.src.length);
	
	if (element.className == "off") {
		temp[0] = element.src.substring(0, element.src.length-4);
		element.src = temp[0] + '_over' + temp[1];
		element.className = "over";
		}
	else {
		temp[0] = element.src.substring(0, element.src.length-9);
		element.src = temp[0] + temp[1];
		element.className = "off";
		}
}

function bindRollover() {
	if (document.getElementById("apply_send")) {
		var target = document.getElementById("apply_send");

		target.onmouseover = function () {
			rollover(this);
			return false;
		}
		target.onmouseout = function () {
			rollover(this);
			return false;
		}
	}
	if (document.getElementById("staf_send")) {
		var target = document.getElementById("staf_send");

		target.onmouseover = function () {
			rollover(this);
			return false;
		}
		target.onmouseout = function () {
			rollover(this);
			return false;
		}
	}
	if (document.getElementById("comment_submit")) {
		var target = document.getElementById("comment_submit");

		target.onmouseover = function () {
			rollover(this);
			return false;
		}
		target.onmouseout = function () {
			rollover(this);
			return false;
		}
	}
}