[PHP] HTML 태그 속성에 hidden 값 줄때

무언가를 선택했을때 숨기기를 원할경우

function self(val){
	if(val == "self"){
		document.form명.ID/NAME명.hidden=true;
	}
}
=======================================================
<script>
var type = "{type}";
window.onload = function(){
	$("#img_"+type).get(0).src = "/images/left_menu_01_"+type+"_on.png";
}
</script>
<img id="img_01" src="/images/left_menu_01_01_off.png"  />
<img id="img_02" src="/images/left_menu_01_02_off.png" />
<img id="img_03" src="/images/left_menu_01_03_off.png" />