function setupRemoveDefault() {
	var els = document.getElementsByTagName("input");
	for(var i=0,j=els.length; i<j; i++) {
		if (els[i].type == "text" || els[i].type == "")
			els[i].onclick = function () {removeDefault(this);}
	}
}

function removeDefault(el) {
	if (!el.getAttribute("rel") || el.value == el.getAttribute("rel")) {
		el.setAttribute("rel", el.value);
		el.value = '';
		el.onblur = function () { if(!el.value) {addDefault(el);}}
	}
}

function addDefault(el) {
	el.value = el.getAttribute("rel");
}