var dorthin = null;
var width = 0;
var height = 0;
function OpenWindow(imagesource,width,height) {
	if (window.screen) {
		var hori = screen.availWidth;
		var verti = screen.availHeight;
		dorthin = window.open("image.php?source=" + imagesource,'popup','width='+ width +',height='+ height +',left='+((hori - width- 10)* .5) +',top='+((verti - height- 30)* .5)+',scrollbars=0')
		dorthin.focus()
	}
}

function OpenGalerie(folder,width,height,number) {
	if (window.screen) {
		var hori = screen.availWidth;
		var verti = screen.availHeight;
		dorthin = window.open("galerie.php?folder=" + folder + "&number=" + number,'popup','width='+ width +',height='+ height +',left='+((hori - width- 10)* .5) +',top='+((verti - height- 30)* .5)+',scrollbars=0')
		dorthin.focus()
	}
}