var Imgi = new Array();                           
var Bledy = 0;                                        
var preloadTimer;                             
var preloadOK = ''       
var preloadBlad = ''     
 /*
function preloadImages() {
 if (document.images) {
  L = newImage("images/L.jpg");
  LTop1c = newImage("images/LTop1c.jpg");
  LTop2c = newImage("images/LTop2c.jpg");
  LTop3c = newImage("images/LTop3c.jpg");
  LTop4c = newImage("images/LTop4c.jpg");
  LTop5c = newImage("images/LTop5c.jpg");
  LBottom1c = newImage("images/LBottom1c.jpg");
  LBottom2c = newImage("images/LBottom2c.jpg");
  LBottom3c = newImage("images/LBottom3c.jpg");
  LBottom4c = newImage("images/LBottom4c.jpg");
  LBottom5c = newImage("images/LBottom5c.jpg");
  LBottom6c = newImage("images/LBottom6c.jpg");
  preloadFlag = true;
 }
}
*/
function hideFoto() {
	document.getElementById('hideScreen').style.display = 'none';
	document.getElementById('fotoScreen').style.display = 'none';
}

function showFoto(id) {
	preload('admin/fotos/'+id+'.jpg');
	preloadCheck();
	var h = document.getElementById('pageContent').offsetHeight;
	var t = getWindowHeight(); if (h < t) h = t;
	
	var e1 = document.getElementById('hideScreen');
	e1.style.height = h + 'px';
	e1.style.display = 'block';
	
	var e2 = document.getElementById('fotoScreen');
	e2.style.marginTop = ((-320)+getScrollY())+'px';
	e2.style.display = 'block';

}
                                      
function preload(url) {                                               
   if (document.images) {                                             
      var i = Imgi.length;                                            
      Imgi[i] = new Image();                                                                       
      Imgi[i].src = url;                                              
   }                                                                  
}                                                                     
                                                                                           
function preloadCheck() {                                             
   var i=0;                                                           
   var l=Imgi.length;                                                                                                     
                                     
   while (i<l && Imgi[i].complete) i++;                      
   if (i>=l) {    
	var e = document.getElementById('fotoScreen');
	e.innerHTML = '<center><img src=\"'+Imgi[(i-1)].src+'\" alt=\"\" class=\"loadedFoto\" /></center>';
   } else                               
      preloadTimer = setTimeout('preloadCheck()',100);                
}    

function getScrollY() {
	if( typeof( window.pageYOffset ) == 'number' ) {
		return window.pageYOffset;
	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		return document.body.scrollTop;
	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		return document.documentElement.scrollTop;
	} else {
		return 0;	
	}
}

function getWindowHeight() {
	if( typeof( window.innerWidth ) == 'number' ) {
	   	return window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		return document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		return document.body.clientHeight;
	} else {
		return 0;
	}
}

function getSpeed(a, b) {
	var j = (a-b) / 5;
	if (j < 1) j = 1;
	
	return Math.round(j);
}