/* Trim whitespace from start and end of string */
function trim(str) {
	str = str.replace(/^\s*/, '');
	str = str.replace(/\s*$/, '');
	return str;
}

function trimInput(obj) {
	if (obj) {
		obj.value = trim(obj.value);
	}
}

/* cookie handler */

function setCookie(name, value, expires, path, domain, secure) {
	if (ua["dom"]) {
		var curCookie = name + "=" + escape(value) +
		  ((expires) ? "; expires=" + expires.toGMTString() : "") +
		  ((path) ? "; path=" + path : "") +
		  ((domain) ? "; domain=" + domain : "") +
		  ((secure) ? "; secure" : "");
		document.cookie = curCookie;
	}
}

function getCookie(name) {
	if (ua["dom"]) {
		var dc = document.cookie;
		var prefix = name + "=";
		var begin = dc.indexOf("; " + prefix);
		if (begin == -1) {
			begin = dc.indexOf(prefix);
			if (begin != 0) {
				return null;
			}
		} 
		else {
			begin += 2;
		}
		var end = document.cookie.indexOf(";", begin);
		if (end == -1) {
			end = dc.length;
		}
		return unescape(dc.substring(begin + prefix.length, end));
  	}
}

function deleteCookie(name, path, domain) {
	if (ua["dom"]) {
		if (getCookie(name)) {
			document.cookie = name + "=" + 
			((path) ? "; path=" + path : "") +
			((domain) ? "; domain=" + domain : "") +
			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
		}
	}
}

function fixDate(date) {
	if (ua["dom"]) {
		var base = new Date(0);
		var skew = base.getTime();
		if (skew > 0) {
			date.setTime(date.getTime() - skew);
		}
	}
}

function open_dialog_wait() {
	var dia = document.getElementById("dialog_wait");

	dia.style.top = (getPageInnerDim().y-140)/2 + getPageScroll().y + "px";
	dia.style.left = (getPageInnerDim().x-240)/2 + getPageScroll().x + "px";
	dia.style.visibility="visible";
}

function getPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function getMousePos(e) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}
	return [posx, posy];
}


function getPageInnerDim() {
	var x,y;
	if (self.innerHeight) // all except Explorer
	{
		x = self.innerWidth;
		y = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		x = document.documentElement.clientWidth;
		y = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		x = document.body.clientWidth;
		y = document.body.clientHeight;
	}
	return {x:x,y:y}
}

function getPageScroll() {
	var x,y;
	if (self.pageYOffset) // all except Explorer
	{
		x = self.pageXOffset;
		y = self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		x = document.documentElement.scrollLeft;
		y = document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
	}
	return {x:x,y:y}
}

function getPageDim() {
	var x,y;
	var test1 = document.body.scrollHeight;
	var test2 = document.body.offsetHeight
	if (test1 > test2) // all but Explorer Mac
	{
		x = document.body.scrollWidth;
		y = document.body.scrollHeight;
	}
	else // Explorer Mac;
		 //would also work in Explorer 6 Strict, Mozilla and Safari
	{
		x = document.body.offsetWidth;
		y = document.body.offsetHeight;
	}
	return {x:x,y:y}
}

function imagegroupremove() {
	if (confirm("Skal bestillingsskemaet slettes?")) {
		return true;
	} else {
		return false;
	}
}