function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindowPosition(theURL,winName,features) { //v2.0
	var win_position = ',left=10,top=10,screenX=10,screenY=10'
 	var newWindow = window.open(theURL,winName,features+win_position);
	newWindow.focus();
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function InsertFlashC(src,width,height,transp,bgcolor) { 
	document.writeln("<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0\" width=\"" + width + "\" height=\"" + height + "\">");
	document.writeln("<param name=\"movie\" value=\"" + src + "\" />");
	document.writeln("<param name=\"quality\" value=\"high\" />");
	if(bgcolor!=="") {
	document.writeln("<param name=\"bgcolor\" value=\"" + bgcolor + "\" />");	  
	bgcolor4embed = " bgcolor=\"" + bgcolor + "\" ";
	}
	else {
	bgcolor4embed = "";	  
	}
	if(transp!=="") {
	document.writeln("<param name=\"wmode\" value=\"transparent\" />");
	document.writeln("<embed src=\"" + src + "\" quality=\"high\" wmode=\"transparent\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"" + width + "\" height=\"" + height + "\"></embed></object>");
	}
	else {
	document.writeln("<embed src=\"" + src + "\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"" + width + "\" height=\"" + height + "\"" + bgcolor4embed + "></embed></object>");
	}
}

function validate_usr(neu) {
frm = document.user_form;
var err = 0;
	if(frm.display.value=="") {
	alert('Nezadali ste skutočné meno!'); 
	frm.display.focus();
	err = 1;
	}
	else if(frm.a.value=="") {
	alert('Nezadali ste užívateľské meno!'); 
	frm.a.focus();
	err = 1;
	}
	else if(frm.b.value=="") {
		if(neu=="1") {	
	alert('Nezadali ste žiadne heslo!'); 
	frm.b.focus();
	err = 1;
		}	
	}
	if(err == 0) {
	frm.submit();
	}
}