var pop_maxx = 1024-100;
var pop_maxy = 768-150;

function popupwin(what,x,y) {
		var scrollbars = false;
		if(x>0 && y>0) {
			var k=y/x;
			if(x>pop_maxx) {
				x=pop_maxx;
				y=Math.floor(x*k);
				scrollbars = true;
			}
			if(y>pop_maxy) {
				y=pop_maxy;
				x=Math.floor(y/k);
				scrollbars = true;
			}
		}
		var wopt="scrollbars="+(scrollbars?'yes':'no')+",status=no,toolbar=no,menubar=no,resizable=yes,width="+(x+100)+",height="+(y+150)+",screenX=100,screenY=100";
		newpop=window.open("","_blank",wopt);
		newpop.document.open();
		newpop.document.write('<html><head><title>Gamletrehus.no</title><link href="/inc/popup.css" type="text/css" rel="stylesheet" media="all"></head>');
//		wobo="var w = this.document.getElementsByTagName('IMG').item(0).width; var h = this.document.getElementsByTagName('IMG').item(0).height; var k=h/w;if(w>"+pop_maxx+") {w="+pop_maxx+";h=Math.floor(w*k);alert(w+':'+h)};if(h>"+pop_maxy+") {h="+pop_maxy+";w=Math.floor(h/k);alert(w+':'+h)}; this.resizeTo(w+100,h+150)";
		wobo="";
		newpop.document.write('<body onload="'+wobo+'"><center><table cellspacing="0" cellpadding="0" height="100%"><tr><td><img '+(x>0? ' width="'+x+'"':'' )+(y>0? ' height="'+y+'"':'' )+'src="'+what+'"></td></tr></table></center></body></html>');
//
		newpop.document.close();
		return false;
}

function popupwins(what,index) {
	var x=what[index][1];
	var y=what[index][2];
		var scrollbars = false;
		if(x>0 && y>0) {
			var k=y/x;
			if(x>pop_maxx) {
				x=pop_maxx;
				y=Math.floor(x*k);
				scrollbars = true;
			}
			if(y>pop_maxy) {
				y=pop_maxy;
				x=Math.floor(y/k);
				scrollbars = true;
			}
		}
	var img=what[index][0];
	wopt="scrollbars="+(scrollbars?'yes':'no')+",status=no,toolbar=no,menubar=no,resizable=yes,width="+(x+100)+",height="+(y+150)+",screenX=100,screenY=100";
	var newpop=window.open("","_blank",wopt);
	newpop.document.open();
	newpop.preview_images = what;
	newpop.preview_image = index;

	newpop.preview_nextimage = function() {
		if(newpop.preview_image+1<newpop.preview_images.length) {
			newpop.preview_image++;
			newpop.preview_showcurrent();
		}
		newpop.preview_buttons();
	}
	window.preview_nextimage = newpop.preview_nextimage;
	newpop.preview_previmage = function() {
		if(newpop.preview_image>0) {
			newpop.preview_image--;
			newpop.preview_showcurrent();
		}
		newpop.preview_buttons();
	}
	window.preview_previmage = newpop.preview_previmage;
	newpop.preview_buttons = function() {
		if(newpop.preview_image+1>=newpop.preview_images.length) {
			newpop.document.getElementById('next').style.display='none';
		} else {
			newpop.document.getElementById('next').style.display='';
		}
		if(newpop.preview_image-1<0) {
			newpop.document.getElementById('prev').style.display='none';
		} else {
			newpop.document.getElementById('prev').style.display='';
		}
	}
	newpop.preview_showcurrent = function() {
			newpop.document.getElementById('img').src = newpop.preview_images[newpop.preview_image][0];
			newpop.resizeTo(newpop.preview_images[newpop.preview_image][1]+100,newpop.preview_images[newpop.preview_image][2]+150);
	}

	newpop.document.write('<html><head><title>Gamletrehus.no</title><link href="/inc/popup.css" type="text/css" rel="stylesheet" media="all"></head>');
	wobo="this.resizeTo(this.document.getElementsByTagName('IMG').item(0).width+100,this.document.getElementsByTagName('IMG').item(0).height+150)";
	newpop.document.write('<body onload="'+wobo+'"><center><table cellspacing="0" cellpadding="0" height="100%"><tr><td align="left" style="text-align:left"><a id="prev" href="#" onclick="window.preview_previmage();return false;"'+((newpop.preview_image)>0 ? '':' style="display:none"')+'>&laquo; previous</a> &nbsp;|&nbsp; <a href="#" onclick="javascript:window.close();">close x</a> &nbsp;|&nbsp; <a id="next" href="#" onclick="window.preview_nextimage();return false;"'+((newpop.preview_image+1)<what.length ? '':' style="display:none"')+'>next &raquo;</a><br><br></td></tr><tr><td><img id="img" src="'+img+'"></td></tr></table></center></body></html>');
	newpop.document.close();
	return false;
}

function popupblankwin(what,x,y,scrollbars) {
	var wopt="scrollbars="+(scrollbars?'yes':'no')+",status=no,toolbar=no,menubar=no,resizable=yes,width="+(x+100)+",height="+(y+150)+",screenX=100,screenY=100";
	newpop=window.open(what,"_blank",wopt);
	return false;
}



