function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

function modalWnd(id1,id2)
{
	
	
	var wnd=document.getElementById(id1);
	var wnd2=document.getElementById(id2);
	
	var body=document.getElementsByTagName("body");
	var parent=wnd.parentNode;
	var parent2=wnd2.parentNode;
	//wnd.removeChild(wnd2);
	parent.removeChild(wnd);
	parent2.removeChild(wnd2);
	body[0].appendChild(wnd);
	wnd.appendChild(wnd2);
	//return;
	
	var wnd2_height=0;
	var wnd2_width=0;
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	
	var Top = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - wnd2_height) / 2);
	var Left = ((arrayPageSize[0] - 20 - wnd2_width) / 2);	
	
	wnd2.style.top = (Top < 0) ? "0px" : Top + "px";
	wnd2.style.left = (Left < 0) ? "0px" : Left + "px";
	
	//wnd.style.position='absolute';
	//wnd.style.top='0px';
	if(arrayPageSize){		
		wnd.style.height=arrayPageSize[1]+'px';		
	}
	wnd.style.display='block';	  			
	wnd2.style.display='inline';	  			
	
	
	
	
}

function dodajZdjecie()
{	
	
	//document.getElementById('boxUploadBg').style.display='block';
	//modalWnd('dodajZdjecieBg','dodajZdjecie');
	showModalWindow(messageObj,'dodajZdjecie',false,220,130);	

}	

function edytujZdjecie(id)
{	
	//modalWnd('edytujZdjecieBg','edytujZdjecie');
	showModalWindow(messageObj,'edytujZdjecie',false,220,130);	
	document.form_edit.id.value=id;
   	document.form_edit.action='';			
	
}

function zamknijOkno(id)
{
	var wnd=document.getElementById(id);
	wnd.style.display='none';	
}