function doHot(object, isEnter) {
	if(object != null) {
		if(isEnter) {
			object.style.backgroundImage = 'url(img/bg_header_itm_sel.png)';
		} else {
			object.style.backgroundImage = 'url(img/bg_header_itm.png)';
		} 
	}
}

function doImage(object, isEnter) {
	if(object != null) {
		var path = object.src;
			path = path.substr(0, path.length - 5);
		
		if(isEnter) {
			object.src = path + "1.jpg";	
		} else {
			object.src = path + "0.jpg";
		}
		
	}
}

function findImage(object) {
	for(var i = 0; i < object.childNodes.length; i++) {
		if(object.childNodes.item(i).toString() == "[object HTMLImageElement]") {
			return object.childNodes.item(i);
			break;
		}
	}
}
			
function doIt(object, isEnter) {
	if(object != null) {
		var img = findImage(object);
		
		if(img != null) {
			var path = img.src;
				path = path.substr(0, path.length - 5);
						
			if(isEnter) {
				img.src = path + "1.jpg";	
			} else {
				img.src = path + "0.jpg";
			}
		}
	} else {
		alert("object required!");
	}
}

function loadHandler() {
	var args = loadHandler.arguments;
	var arr  = new Array();
	
	for(var i = 0; i < args.length; i++) {
		arr[i] = new Image;
		arr[i].src = args[i];
	}
}