//odpre novo okno. potrebna sta dva parametra:
//url, size

	var newWindow
	
	function makeNewWindow(url,size) {
		if (!newWindow || newWindow.closed){
		  newWindow = window.open(url,"",size)
		}
		else {
		 newWindow.close()
		 newWindow = null
		 newWindow = window.open(url,"",size)
		}
	}