var Position = {
	getInnerSize : function()
	{
		var myWidth = 0, myHeight = 0;

		if( typeof( window.innerWidth ) == 'number' ) {
			//Non-IE
			myWidth = window.innerWidth;
			myHeight = window.innerHeight;
		} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
			//IE 6+ in 'standards compliant mode'
			myWidth = document.documentElement.clientWidth;
			myHeight = document.documentElement.clientHeight;
		} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		    //IE 4 compatible
			myWidth = document.body.clientWidth;
	    	myHeight = document.body.clientHeight;
		}
		var oSize = {width : myWidth, height : myHeight};
	  
		if(arguments.length > 0)
		{
			return oSize[arguments[0]];
		}
		return oSize;
	},
	
	getScrollOffset : function()
	{
		var scrOfX = 0, scrOfY = 0;
		if( typeof( window.pageYOffset ) == 'number' ) {
		    //Netscape compliant
		    scrOfY = window.pageYOffset;
		    scrOfX = window.pageXOffset;
	  	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		    //DOM compliant
		    scrOfY = document.body.scrollTop;
		    scrOfX = document.body.scrollLeft;
	  	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		    //IE6 standards compliant mode
		    scrOfY = document.documentElement.scrollTop;
		    scrOfX = document.documentElement.scrollLeft;
	  	}
	  	var oScroll = {x : scrOfX, y : scrOfY};
	  	if(arguments.length > 0)
		{
			return oScroll[arguments[0]];
		}
	 	return oScroll;
	}
}