var home_on = new Image( 100, 50 );
home_on.src = "img/home_on.png";
var home_off = new Image( 100, 50 );
home_off.src = "img/home_off.png";

function _showWindow ( url ) {
	newWindow = window.open( url );
	newWindow.focus();
}

function _showRecipe ( url ) {
	nWide = 800;
	xPosition = ( screen.width - nWide ) / 2 - 10;
	if ( screen.width <= ( nWide + 20 ) ) {
		nWide = screen.width - 40;
		xPosition = 0;
	}
	nHigh = screen.height - 40;
	yPosition = 0;

	args = "width=" + nWide + "," 
	+ "height=" + nHigh + "," 
	+ "location=no," 
	+ "menubar=no,"
	+ "resizable=yes,"
	+ "scrollbars=yes,"
	+ "status=yes," 
	+ "titlebar=no,"
	+ "toolbar=no,"
	+ "hotkeys=no,"
	+ "screenx=" + xPosition + ","  //NN Only
	+ "screeny=" + yPosition + ","  //NN Only
	+ "left=" + xPosition + ","     //IE Only
	+ "top=" + yPosition;           //IE Only
	
	uri = "recipes/index.php?" + url;
	recipeWindow = window.open( uri, 'recipe', args );
	recipeWindow.focus();
}