// JavaScript Document

//vytvori a otevre nove okno
function openWindow(ref,width,height)
{
 if (width==0) width=window.screen.width;
 if (height==0) height=window.screen.height;
  iMyWidth = (window.screen.width/2) - (width/2);
  iMyHeight = (window.screen.height/2) - (height/2);   
  window.open(ref, "JSL","height="+height+",width="+width+",resizable=no,left=" +
    iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + 
    iMyHeight + ",scrollbars=no");
}

//kontrola numericke hodnoty
function validateKS(object)
{
 if (isNaN(parseInt(object.value)) || object.value < 1)
  { 
   alert('Nepovolená hodnota!');
 	 object.focus();
	}
}