[Skipp]

<script type="text/javascript">
function dis(elem, t){
if(elem.getAttribute('disabled') == 'disabled' || elem.disabled == true){ 
		elem.disabled=false;
		t.value = "disabled";
	}else{
		elem.setAttribute('disabled','disabled');
		t.value = "enabled";
	}
}
</script>
<input type="text" disabled="disabled" id="elem" />
<input type="button" onclick="dis(document.getElementById('elem'), this)" value="enabled" />