if (Prototype.Browser.IE) {
	Prototype.Browser.IEVersion = parseFloat(navigator.appVersion.split(';')[1].strip().split(' ')[1]);
	Prototype.Browser.IE6 = Prototype.Browser.IEVersion == 6;
	Prototype.Browser.IE7 = Prototype.Browser.IEVersion == 7;
	Prototype.Browser.IE8 = Prototype.Browser.IEVersion == 8;
}

Element.addMethods({
    setWidth: function(element, width) {
            element = $(element);
            if (typeof width == "number")
                    width = width + "px";
            element.setStyle({width: width});
            return element;
    },
    setHeight: function(element, height) {
            element = $(element);
            if (typeof height == "number")
                    height = height + "px";
            element.setStyle({height: height});
            return element;
    },
    setLeft: function(element, left) {
        element = $(element);
        if (typeof left == "number")
                left = left + "px";
        element.setStyle({left: left});
        return element;
	},
	setTop: function(element, top) {
	        element = $(element);
	        if (typeof top == "number")
	                top = top + "px";
	        element.setStyle({top: top});
	        return element;
	}
});