// JavaScript Document
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) {
		tab_back1_28_over = newImage("images/tab-back1-28_over.gif");
		tab_back1_36_down = newImage("images/tab-back1-36_down.gif");
		tab_back1_29_over = newImage("images/tab-back1-29_over.gif");
		tab_back1_37_down = newImage("images/tab-back1-37_down.gif");
		tab_back1_30_over = newImage("images/tab-back1-30_over.gif");
		tab_back1_38_down = newImage("images/tab-back1-38_down.gif");
		tab_back1_31_over = newImage("images/tab-back1-31_over.gif");
		tab_back1_39_down = newImage("images/tab-back1-39_down.gif");
		tab_back1_32_over = newImage("images/tab-back1-32_over.gif");
		tab_back1_40_down = newImage("images/tab-back1-40_down.gif");
		tab_back1_33_over = newImage("images/tab-back1-33_over.gif");
		tab_back1_41_down = newImage("images/tab-back1-41_down.gif");
		tab_back1_34_over = newImage("images/tab-back1-34_over.gif");
		tab_back1_42_down = newImage("images/tab-back1-42_down.gif");
		tab_back1_35_over = newImage("images/tab-back1-35_over.gif");
		tab_back2_14_over = newImage("images/tab-back2-14_over.gif");
		tab_back2_17_down = newImage("images/tab-back2-17_down.gif");
		tab_back2_15_over = newImage("images/tab-back2-15_over.gif");
		tab_back2_18_down = newImage("images/tab-back2-18_down.gif");
		tab_back2_16_over = newImage("images/tab-back2-16_over.gif");
		tab_back2_19_down = newImage("images/tab-back2-19_down.gif");
		preloadFlag = true;
	}
}