function moveElement(elementID,final_x,final_y,interval) {
	if (!document.getElementById) return false;
	if (!document.getElementById(elementID)) return false;

	var elem = document.getElementById(elementID);
	if (elem.movement) {
		clearTimeout(elem.movement);
	}
	if (!elem.style.left) {
		elem.style.left = "0px";
	}
	if (!elem.style.top) {
		elem.style.top = "0px";
	}
	var xpos = parseInt(elem.style.left);
	var ypos = parseInt(elem.style.top);
	if (xpos == final_x && ypos == final_y) {
		return true;
	}
	if (xpos < final_x) {
		var dist = Math.ceil((final_x - xpos)/1);
		xpos = xpos + dist;
	}
	if (xpos > final_x) {
		var dist = Math.ceil((xpos - final_x)/1);
		xpos = xpos - dist;
	}
	if (ypos < final_y) {
		var dist = Math.ceil((final_y - ypos)/1);
		ypos = ypos + dist;
	}
	if (ypos > final_y) {
		var dist = Math.ceil((ypos - final_y)/1);
		ypos = ypos - dist;
	}
	elem.style.left = xpos + "px";
	elem.style.top = ypos + "px";
	var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
	elem.movement = setTimeout(repeat,interval);
}

function prepareSlideshow() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("slideshow")) return false;

	var main = document.getElementById("main");
	var links = main.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
		links[i].onmouseover = function() {
			var destination = this.getAttribute("href");
			if (destination.indexOf("/technology/") != -1) {
				moveElement("preview",0,-185,5);
			}
			if (destination.indexOf("/applications/") != -1) {
				moveElement("preview",0,-370,5);
			}
			if (destination.indexOf("/solutions/") != -1) {
				moveElement("preview",0,-555,5);
			}
			if (destination.indexOf("/products/") != -1) {
				moveElement("preview",0,-740,5);
			}            
		}
	}
}

addLoadEvent(prepareSlideshow);