function recommend(myUrl){
	myUrl = '../main/recommend.html?' + myUrl;
	open(myUrl,'recommendWindow','toolbar=0, location=0, status=1, menubar=0, scrollbars=1, resizable=1, width=515, height=400, left=5, top=5');
}

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

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		b_arts_o   = newImage("../interface/b_arts_o.gif");
		b_book_o   = newImage("../interface/b_book_o.gif");
		b_cont_o   = newImage("../interface/b_cont_o.gif");
		b_cmnt_o   = newImage("../interface/b_cmnt_o.gif");
		b_about_o  = newImage("../interface/b_about_o.gif");
		b_link_o   = newImage("../interface/b_link_o.gif");
		home_o     = newImage("../interface/home_o.gif");
		articles_o = newImage("../interface/articles_o.gif");
		books_o    = newImage("../interface/books_o.gif");
		links_o    = newImage("../interface/links_o.gif");
		contest_o  = newImage("../interface/contest_o.gif");
		
		preloadFlag = true;
	}
}

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