(function(){


	function rollover(){
		var targetClassName = "hoverImg";
		var suffix = "_ov";

		var overReg = new RegExp("^(.+)(\\.[a-z]+)$");
		var outReg = new RegExp("^(.+)" + suffix + "(\\.[a-z]+)$");

		var preload = new Array();
		var images = document.getElementsByTagName("img");


		for (var i = 0, il = images.length; i < il; i++) {
			var classStr = images[i].getAttribute("class") || images[i].className;
			if(!images[i].getAttribute("src").match(outReg)){
				var classNames = classStr.split(/\s+/);
				for(var j = 0, cl = classNames.length; j < cl; j++){
					if(classNames[j] == targetClassName){

						//preload
						preload[i] = new Image();
						preload[i].src = images[i].getAttribute("src").replace(overReg, "$1" + suffix + "$2");

						//mouseover
						images[i].onmouseover = function() {
							this.src = this.getAttribute("src").replace(overReg, "$1" + suffix + "$2");
						}

						//mouseout
						images[i].onmouseout = function() {
							this.src = this.getAttribute("src").replace(outReg, "$1$2");
						}
					}
				}
			}
		}
	}

	function addEvent(elem,event,func){
		if(elem.addEventListener) {
			elem.addEventListener(event, func, false);
		}else if(elem.attachEvent) {
			elem.attachEvent("on" + event, func);
		}
	}
	addEvent(window,"load",rollover);
})();

/* open window */
function openWinX(w, h, r) {
	if (screen.width < w)
		w = screen.width;
	if (screen.height < h)
		h = screen.height;
	w = w? w: 600;
	h = h? h: 600;
	r = r == 'no'? 'no': 'yes';
	subWin = window.open("","text", "toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable="+r+",width="+w+",height="+h);
}

$(document).ready(function () {
	$("#postrank li").each(function (i) {
		i = i+1;
  		$(this).addClass('rank' + i);
	});
});