/*	-------------------------------------------------------------
	Centrologic
	Computational Logictic Center
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	Description:	Javascript scripts
	Filename:		centrologic.js
	Version:		1.0
	Date:			Jan 2007
	-------------------------------------------------------------	*/

/*	Image preloading
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	function 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=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 preload() {
		PreloadImages('img/menu_hover.gif','http://www.centrologic.com/img/submenu_tlo.png','img/submenu_tlo_hover.png','img/submenu_tlo_hover.gif');
	}

/*	DOM
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	function show_submenu(element) {
		var odkryj = element.parentNode.getElementsByTagName('ul');
		
      for( var j=0; j < odkryj.length; j++ ){
		odkryj[j].style.display = "block";
	  	}
		}

	function submenu(){
  	if( document.getElementById &&
      document.getElementsByTagName ){
    if( document.getElementById( 'menu' ) ){
      var menu = document.getElementById( 'menu' );
      var links = menu.getElementsByTagName( 'a' );
      for( var i=0; i < links.length; i++ ){
        links[i].onmouseover = function(){
		  show_submenu(this); };

      }
    }
  }
*/

/*	OnLoad Page
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	function addEvent(obj, evType, fn){ 
	 if (obj.addEventListener){ 
	   obj.addEventListener(evType, fn, false); 
	   return true; 
	 } else if (obj.attachEvent){ 
	   var r = obj.attachEvent("on"+evType, fn); 
	   return r; 
	 } else { 
	   return false; 
	 } 
	}
	
	addEvent(window, 'load', preload );