function decreaseOpacity(obj) {
	//speed for each frame
	var speed = Math.round(1000 / 100);
	var timer = 0;

	for(i = 99; i >= 30; i--) {
		setTimeout("changeOpac(" + i + ",'" + obj + "')",(timer * speed));
		timer++;
	}
}

function increaseOpacity(obj) {
	//speed for each frame
	var speed = Math.round(1000 / 100);
	var timer = 0;
	
	for(i = 30; i <= 99; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + obj + "')",(timer * speed));
			timer++;
		}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function blockEvents(evt) {
    evt = (evt) ? evt : event;
    var blockit = false;
    var elem = (evt.target) ? evt.target : ((evt.srcElement) ? 
        evt.srcElement : null);
    if (elem && elem.tagName && elem.tagName.toLowerCase( ) == "img") {
        if (evt.cancelBubble) {
            evt.cancelBubble = true;
        }
       alert ("This content is copyright 2007 Ramona Haar. For more information, visit the Contact us page.");
        return false;
    }
}

document.oncontextmenu = blockEvents;