var ns = (document.all)?false:true;
var intBack = 1;
var preImages = new Array();

//Preloading images
	function preloadImg(){
		for (x=0; x<preloadImg.arguments.length; x++){
			preImages[x] = new Image();
			preImages[x].src = preloadImg.arguments[x];
		}
	}

//function for dynamically switching the background image
function changeBg(divId,picName) {

//alert('ss');
if (ns) {
	layerObject = document.getElementById(divId).style;
	} 
	else {
	layerObject = eval(divId + ".style");
	}
layerObject.backgroundImage = 'url('+picName+')';
}


function switchImg(img_name,img_src) {
document[img_name].src=img_src;
}

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

// for forms
function odstran_mezery(string) 
  {
  var temp = "";
  string = '' + string;
  splitstring = string.split(" ");
  for(i = 0; i < splitstring.length; i++)
  temp += splitstring[i];
  return temp;
  }