function SwapImage(img_name,img_src) {
		
		document[img_name].src = img_src;
		
	}


	function openWindow(url, w, h) {
		
		var options = 'width=' + w + ',height=' + h + ',resizable=no,scrollbars=yes,status=no,menubar=no,toolbar=no,location=no,directories=no';
		var newWin = window.open(url, 'newWin', options);

		newWin.focus();
	
	}
	
	
	function closewindow() {
		
		self.opener = this;
		self.close();
		
	}


	function PreLoadImages() {

	        pLeft = new Image(); 
	        pLeft.src = '../images/leftpic.jpg';
	        pMiddle = new Image(); 
	        pMiddle.src = '../images/middlepic.jpg';
	        pRight = new Image(); 
	        pRight.src = '../images/rightpic.jpg';
	        paLeft = new Image(); 
	        paLeft.src = '../images/leftpic_active.jpg';
	        paMiddle = new Image(); 
	        paMiddle.src = '../images/middlepic_active.jpg';
	        paRight = new Image(); 
	        paRight.src = '../images/rightpic_active.jpg';

	}