//<![CDATA[
function expandCollapse() {
	// Breyta texta í Fáðu Tilboð boxinu
	if(expandCollapse.arguments.length > 0 && expandCollapse.arguments[0] == 'tilbod'){
		document.getElementById('samband_titill_txt').innerHTML = "<h2>Fáðu tilboð</h2>";
		expandCollapse.arguments[0] = 'samband';
	}
	else
		document.getElementById('samband_titill_txt').innerHTML = "<h2>Hafðu samband</h2>";

	for (var i=0; i<expandCollapse.arguments.length; i++) {
		var element = document.getElementById(expandCollapse.arguments[i]);
		element.style.display = (element.style.display == "none") ? "block" : "none";
		if (i < 1) {
			element.style.left = ((screen.availWidth/2)-240)+'px';
			element.style.top = ((screen.availHeight/2)-230)-150+'px';
		}
	}
}
//]]>

//<![CDATA[

//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

// Determine browser and version.

function Browser() {
	var ua, s, i;

	this.isIE    = false;
	this.isNS    = false;
	this.version = null;

	ua = navigator.userAgent;

	s = "MSIE";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isIE = true;
		this.version = parseFloat(ua.substr(i + s.length));
		return;
	}

	s = "Netscape6/";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isNS = true;
		this.version = parseFloat(ua.substr(i + s.length));
		return;
	}

	// Treat any other "Gecko" browser as NS 6.1.
	s = "Gecko";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isNS = true;
		this.version = 6.1;
		return;
	}
}

var browser = new Browser();

// Global object to hold drag information.
var dragObj = new Object();
dragObj.zIndex = 1000;

function dragStart(event, id) {
	var el;
	var x, y;

	// If an element id was given, find it. Otherwise use the element being
	// clicked on.
	if (id) {
		dragObj.elNode = document.getElementById(id);
	} else {
		if (browser.isIE) { dragObj.elNode = window.event.srcElement; }
		if (browser.isNS) { dragObj.elNode = event.target; }

		// If this is a text node, use its parent element.
		if (dragObj.elNode.nodeType == 3) { dragObj.elNode = dragObj.elNode.parentNode; }
	}

	// Get cursor position with respect to the page.
	if (browser.isIE) {
		x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
		y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
	}
	if (browser.isNS) {
		x = event.clientX + window.scrollX;
		y = event.clientY + window.scrollY;
	}

	// Save starting positions of cursor and element.
	dragObj.cursorStartX = x;
	dragObj.cursorStartY = y;
	dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
	dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

	if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
	if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

	// Update element's z-index.
	dragObj.elNode.style.zIndex = ++dragObj.zIndex;

	// Capture mousemove and mouseup events on the page.
	if (browser.isIE) {
		document.attachEvent("onmousemove", dragGo);
		document.attachEvent("onmouseup",   dragStop);
		window.event.cancelBubble = true;
		window.event.returnValue = false;
	}
	if (browser.isNS) {
		document.addEventListener("mousemove", dragGo,   true);
		document.addEventListener("mouseup",   dragStop, true);
		event.preventDefault();
	}
}

function dragGo(event) {
	var x, y;

	// Get cursor position with respect to the page.
	if (browser.isIE) {
		x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
		y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
	}
	if (browser.isNS) {
		x = event.clientX + window.scrollX;
		y = event.clientY + window.scrollY;
	}

	// Move drag element by the same amount the cursor has moved.
	dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
	dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

	if (browser.isIE) {
		window.event.cancelBubble = true;
		window.event.returnValue = false;
	}
	if (browser.isNS) { event.preventDefault(); }
}

function dragStop(event) {
	// Stop capturing mousemove and mouseup events.
	if (browser.isIE) {
		document.detachEvent("onmousemove", dragGo);
		document.detachEvent("onmouseup",   dragStop);
	}
	if (browser.isNS) {
		document.removeEventListener("mousemove", dragGo,   true);
		document.removeEventListener("mouseup",   dragStop, true);
	}
}
//]]>
/*
<p>Inline Popup Examples</p>
<ul>
	<li><h3><a href="javascript: expandCollapse('open','over');">Open Popup</a></h3></li>
	<li><h3><a href="javascript: expandCollapse('boxB','over');">Open Draggable Popup</a></h3></li>
</ul>
*/