var preloadFlag = false;
var preimageslist = new Array();

function none(){}

function preLoad() {
	window.focus();
	if (document.images && preimageslist.length >= 1) {
		var preimage = new Array();
		for (var i = 0; i < preimageslist.length; i++) {
			preimage[i] = new Image();
			preimage[i].src = preimageslist[i];
		}
		preloadFlag = true;
		
	//var testtext ="";
	//for (i=0; i<preimageslist.length; i++){
	//testtext += "�Ÿ"+preimageslist[i];
	//}
	//alert(testtext);	
		
	}
}

function changeImage() {
	if (document.images && (preloadFlag == true)) {
		for (var i = 0; i < changeImage.arguments.length; i+=2) {
			document[changeImage.arguments[i]].src = changeImage.arguments[i+1];
		}
	}
}