if (level == 1) addPath = '';
if (level == 2) addPath = '../';
if (level == 3) addPath = '../../';
if (level == 4) addPath = '../../../';
iPath = addPath+"_images/menu/main/";
iPath2 = addPath+"_images/menu/sub/";
iExt = "png";
var suffix = new Array('on', 'off');

function preLoad() {
	if(document.images) {
		var argLen = arguments.length;
		for(var i = 0; i < argLen; i++) {
			var arg = arguments[i];
			var sufLen = suffix.length;
			for(j = 0; j < sufLen; j++) {
				var suf = suffix[j];
				self[arg + '_' + suf] = new Image();
				self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;
			}
		}
	}
}

function rollOver(iName, iState) {
	if(document.images && self[iName + '_' + iState]) {
		document.images[iName].src = self[iName + '_' + iState].src;
	}
}

function preLoad2() {
	if(document.images) {
		var argLen = arguments.length;
		for(var i = 0; i < argLen; i++) {
			var arg = arguments[i];
			var sufLen = suffix.length;
			for(j = 0; j < sufLen; j++) {
				var suf = suffix[j];
				self[arg + '_' + suf] = new Image();
				self[arg + '_' + suf].src = iPath2 + arg + '_' + suf + '.' + iExt;
			}
		}
	}
}

function rollOver2(iName, iState) {
	if(document.images && self[iName + '_' + iState]) {
		document.images[iName].src = self[iName + '_' + iState].src;
	}
}

function sb(i) {
		window.status= '';
		i.style.cursor = 'default';
	}