function ukaz(){
	document.getElementById("pruh").style.display = "block";
	document.getElementById("load").style.display = "none";
}
function skryj(){ 
	document.getElementById("pruh").style.display = "none";
	document.getElementById("load").style.display = "block";
}  
function OpenWindow(url, jmeno, w, h) 
{
    Fokus = window.open(url, jmeno,'resizable=1,srollbar=0,top=0,left=0,menubar=0,width=' + w + ',height=' + h);
    Fokus.focus()
}