function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		left_menu_01_over = newImage("images/left_menu_01-over.gif");
		left_menu_02_over = newImage("images/left_menu_02-over.gif");
		left_menu_03_over = newImage("images/left_menu_03-over.gif");
		left_menu_04_over = newImage("images/left_menu_04-over.gif");
		left_menu_05_over = newImage("images/left_menu_05-over.gif");
		preloadFlag = true;
	}
}

function prod_big(var1){
	url	=	'../prod_big.php?name='+var1;
	window.open(url, 'prod_big', 'width=400, height=400')
}


function goUrl(var1) {
	if (var1 != '') {
		window.location.href = var1;
	}
}