/**
 * Hilfsmethoden
 */
(function(iD){
	iD.Util = Class.create(iD, {	
		NAME: "iD.Util",	

		/**
		 * Gesamthoehe des Dokument
		 */
		getDocHeight: function () {
		    var D = document;
		    return Math.max(
		        Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
		        Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
		        Math.max(D.body.clientHeight, D.documentElement.clientHeight)
		    );
		},
		
		/**
		 * Gesamtbreite des Dokuments
		 */
		getDocWidth: function () {
		    var D = document;
		    return Math.max(
		        Math.max(D.body.scrollWidth, D.documentElement.scrollWidth),
		        Math.max(D.body.offsetWidth, D.documentElement.offsetWidth),
		        Math.max(D.body.clientWidth, D.documentElement.clientWidth)
		    );
		}	
	});
})(iD);