//show a text onMouseOver that tags along with the mouse
var layer = null;
var isOver = false;
 
var xPos;
var yPos;
 
function initBubbles() {
	if (ns||w3c && ie!=true) {
		document.captureEvents(Event.MOUSEMOVE);
		document.onmousemove = setValue;
	}
}

function setValue(evt) {
	if (ns==true && w3c==false) {
		xPos = evt.pageX;
		yPos = evt.pageY;
		//alert("X:" + xPos + "   " + "Y:" + yPos);
			if(isOver) { 
				document.layers["nummerDIV" + layer].visibility = "show";
				document.layers["nummerDIV" + layer].top = yPos -10;
				document.layers["nummerDIV" + layer].left = xPos +15;
			} else if(!isOver) {
				if(layer != null) {
					document.layers["nummerDIV" + layer].visibility = "hide";
				}
			}
	}
	else if (w3c==true && ie!=true) {
		xPos = evt.pageX;
		yPos = evt.pageY;
		//alert("X:" + xPos + "   " + "Y:" + yPos);
		if(isOver) { 
			showLayer("nummerDIV" + layer);
			document.getElementById("nummerDIV" + layer).style.top = yPos +"px";// -10 +"px";
			document.getElementById("nummerDIV" + layer).style.left = xPos +15 +"px";
		} else if(!isOver) {
			if(layer != null) {
				document.getElementById("nummerDIV" + layer).style.top = "0px";
				document.getElementById("nummerDIV" + layer).style.left = "0px";
				hideLayer("nummerDIV" + layer);
			}
		}
	}
}

function dialog(what, number) {
	if(what == "show") {
		isOver = true;
		layer = number;
	} else if(what == "hide") {
		isOver = false;
		layer = number;
	}

	if(isOver) {
		if(ns||w3c && ie!=true) {
			layer = number;
		}
		if(ie) {
			var xPos = event.x;
			var yPos = event.y;
		    showLayer("nummerDIV" + layer);
		    eval("nummerDIV" + layer).style.pixelTop = yPos + document.documentElement.scrollTop; //var document.body.scrollTop för html4
		    //alert(document.body.scrollTop);
		    eval("nummerDIV" + layer).style.pixelLeft = xPos +15;
		}
	} else if(!isOver) {
		if(ie) {
		eval("nummerDIV" + layer).style.pixelTop = 0;
		eval("nummerDIV" + layer).style.pixelLeft = 0;
		}
		hideLayer("nummerDIV" + layer);
	}
}

//show a hidden layer
function showLayer(strName){
	if (w3c) document.getElementById(strName).style.visibility = "visible";
	else if (ie) eval(strName).style.visibility = "visible";
	else if (ns) document.layers[strName].visibility = "show";
}

//hide a shown layer
function hideLayer(strName){
	if (w3c) document.getElementById(strName).style.visibility = "hidden";
	else if (ie) eval(strName).style.visibility = "hidden";
	else if (ns) document.layers[strName].visibility = "hide";
}