function newImage(arg) 
{
	if (document.images) 
	{
		rslt = new Image();
		rslt.src = "/images/" + 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 = "/images/" + changeImages.arguments[i+1];
		}
	}
}

function mouserOverMenu(arg)
{
	changeImages(arg, 'menu/'+ arg +'-over.gif');
}
function mouserOutMenu(arg)
{
	changeImages(arg, 'menu/'+ arg +'.gif');
}

function mouserOverSubMenu(arg)
{
	changeImages(arg, 'submenu/'+ arg +'-over.gif');
}
function mouserOutSubMenu(arg)
{
	changeImages(arg, 'submenu/'+ arg +'.gif');
}

var preloadFlag = false;
function preloadImages() 
{
	if (document.images) 
	{
		menu_01_over = newImage("menu/menu_01-over.gif");
		menu_02_over = newImage("menu/menu_02-over.gif");
		menu_03_over = newImage("menu/menu_03-over.gif");
		menu_04_over = newImage("menu/menu_04-over.gif");
		menu_05_over = newImage("menu/menu_05-over.gif");
		menu_06_over = newImage("menu/menu_06-over.gif");
		menu_07_over = newImage("menu/menu_07-over.gif");
		menu_08_over = newImage("menu/menu_08-over.gif");
		menu_09_over = newImage("menu/menu_09-over.gif");
		menu_10_over = newImage("menu/menu_10-over.gif");
		menu_11_over = newImage("menu/menu_11-over.gif");
		menu_12_over = newImage("menu/menu_12-over.gif");
		preloadFlag = true;
	}
}

function preloadAllImages(arg)
{
	preloadImages();
	if (arg == "informacoes")
	{
		preloadIformacoesImages();
	}
	if (arg == "compressas")
	{
		preloadCompressasImages();
	}
	if (arg == "mantas")
	{
		preloadMantasImages();
	}
	if (arg == "queimadura")
	{
		preloadQueimaduraImages();
	}
}

function preloadIformacoesImages() 
{
	if (document.images) 
	{
		informacoes_1_over = newImage("submenu/informacoes_1-over.gif");
		informacoes_2_over = newImage("submenu/informacoes_2-over.gif");
		informacoes_3_over = newImage("submenu/informacoes_3-over.gif");
		informacoes_4_over = newImage("submenu/informacoes_4-over.gif");
		preloadFlag = true;
	}
}
function preloadCompressasImages() 
{
	if (document.images) 
	{
		informacoes_1_over = newImage("submenu/compressas_1-over.gif");
		informacoes_2_over = newImage("submenu/compressas_2-over.gif");
		informacoes_3_over = newImage("submenu/compressas_3-over.gif");
		preloadFlag = true;
	}
}
function preloadMantasImages() 
{
	if (document.images) 
	{
		informacoes_1_over = newImage("submenu/mantas_1-over.gif");
		informacoes_2_over = newImage("submenu/mantas_2-over.gif");
		informacoes_3_over = newImage("submenu/mantas_3-over.gif");
		preloadFlag = true;
	}
}
function preloadQueimaduraImages() 
{
	if (document.images) 
	{
		informacoes_1_over = newImage("submenu/queimadura_1-over.gif");
		informacoes_2_over = newImage("submenu/queimadura_2-over.gif");
		informacoes_3_over = newImage("submenu/queimadura_3-over.gif");
		informacoes_4_over = newImage("submenu/queimadura_4-over.gif");
		informacoes_5_over = newImage("submenu/queimadura_5-over.gif");
		preloadFlag = true;
	}
}