<!--//
function ShowDialog(adresa,sirka,vyska) {

if( dialogWindow != null ){
	if(dialogWindow.closed == false)
 		HideDialog();
	}
	dialogWindow = window.open('','obrazek','toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,' + 'width=' + sirka + ',height='+vyska+';');
	// dialogWindow=window.open('','obrazek','width='+sirka+',height='+vyska+',dependent=yes,resizeable=yes,scrollbars=yes,status=no,toolbar=no,top='+shora+',left='+zleva+';');
	dialogWindow.location=adresa;
return false;
	
}  


function HideDialog() {
    if( dialogWindow != null ) {
        if (typeof(dialogWindow.document) == "object"){ 
			if(dialogWindow.closed == false)
            	dialogWindow.close()
	
		}
    }
}  
//-->