var slideTime = 700, topMargin;

	 	function empty(t){
			var regexp = "^ *$";
         if(eval(t.length) == 0 || t.match(regexp)) 
         { 
            return false; 
         } else {
					return true;
			  }
		}

var sWidth = screen.availWidth;


function hiddLoader() {
	document.getElementById('loader').style.display = 'none';
}

function showLoader() {
	document.getElementById('loader').style.display = 'block';
}

function fOnLoad() {
	hiddLoader()
}
		
		
		
		
function show(obj) {
	if (document.getElementById(obj)) {
		var o = document.getElementById(obj).style.display;
		document.getElementById(obj).style.display = ((o=='none') ? 'block' : 'none');
	}
}



function winOnLoad()
{
  topMargin = xPageY('leftColumn');
  winOnResize(); // set initial position
  xAddEventListener(window, 'resize', winOnResize, false);
  xAddEventListener(window, 'scroll', winOnScroll, false);
  return;
}
function winOnResize() {
//+(screen.availWidth-490)/2
//  poz = findPos(document.getElementById('xx1'));
//alert(screen.availWidth);

	z = (screen.availWidth - 80)


  xMoveTo('floater', xPageX('leftColumn')+xWidth('leftColumn')+z, topMargin);
  xShow('floater');
  winOnScroll(); // initial slide
}
function winOnScroll() {
//alert(xLeft('floater'))
//	 findPos(document.getElementById('xx1'));
  xSlideTo('floater', xLeft('floater'), xScrollTop() + topMargin, slideTime);
}




		function findPos(obj) {
			var curleft = curtop = 0;
			if (obj.offsetParent) {
				curleft = obj.offsetLeft
				curtop = obj.offsetTop
				while (obj = obj.offsetParent) {
					curleft += obj.offsetLeft
					curtop += obj.offsetTop
				}
			}
			return [curleft,curtop];
		}
		
		
		
		function getPos(obj) {
			var y = document.getElementById(obj);
			var pz = findPos(y);
			if (parseInt(pz[1]) > 0) {
				document.getElementById('prawo').style.height=(parseInt(pz[1])-160)+'px';
			}
		}
		


		function zoomImg(et) {
			var poz = findPos(document.getElementById(et));
			if (document.all) {
				var temp=(document.documentElement.scrollTop+150);
			} else {
					var temp=(window.pageYOffset+150);
			  }

			document.getElementById('zoomImg').style.top=temp+'px';
			document.getElementById('zoomImg').style.display='block';
		}
		
		function hidezoomImg() {
			document.getElementById('zoomImg').style.display='none';
		}