function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImage(img, srs) {
	obj = document.getElementById(img); 
	obj.src = srs;

}

function changeImages() {
	//alert(changeImages.arguments[i]);
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			
		}
	}
}

var preloadFlag = true;
function preloadImages() {
	if (document.images) {
		//ddd_over = newImage("images/ddd-over.jpg");
		preloadFlag = true;
	}
}

function showObj(id){ 
	if (document.getElementById){ 
		obj = document.getElementById(id); 
		obj.style.visibility = "visible"; 
		obj.style.display = "inline"; 
	} 
} 

function hideObj(id){ 
	if (document.getElementById){ 
		obj = document.getElementById(id); 
		obj.style.visibility = "hidden"; 
		obj.style.display = "none"; 
	} 
}

function showPage(id) {
	hideAllPages();
	showObj('camerepag'+id);
	changeImage('btnCamerePage' + id, 'images/b_camere_page' + id + '_on.gif'); 	
}