function showHelp() {
		if (document.getElementById('legende')) {
			if (document.getElementById('legende').style.display == "block") {
				document.getElementById('legende').style.display = "none";
			}
		}
		if (document.getElementById('help').style.display == "block") {
			document.getElementById('help').style.display = "none";
		}
		else{
			document.getElementById('help').style.display = "block";
		}
	}

	function showHelpWindow() {
	
	// kapa_vereinbarung
    	uri	=	"../start/index.php?page=dispo_info";
    	
    	dispo_info = window.open(uri,'dispo_info','scrollbars=auto,width=400,height=600,scrollbars=yes,resizable=yes');
    	dispo_info.focus();


	}

	function showLegende() {
		if (document.getElementById('help').style.display == "block") {
			document.getElementById('help').style.display = "none";
		}
		if (document.getElementById('legende').style.display == "block") {
			document.getElementById('legende').style.display = "none";
		}
		else{
			document.getElementById('legende').style.display = "block";
		}
	}
	
	function hideHelp() {
		document.getElementById('help').style.display = "none";
	}
	
	function getSelect() {
		alert ( lenght );
	}
	
	function showIt(tool_id, starter_id, y_pos, x_pos) {
		
		
		
		if (tool_id == "tooltip_01") {

			document.getElementById('kapares_daten').style.display = "none";
			document.getElementById('reservierung_tool').style.display = "none";
			
			title = "";
		
		}
		
		if (tool_id == "reservierung_tool") {

			title = "Buchungscenter - Reservierungen";
			
			
			document.getElementById('kapares_daten').style.display = "block";
			
			document.getElementById('daten_status').style.display = "none";
			document.getElementById('tooltip_01').style.display = "none";
			
			list_art = document.getElementById('list_art').value;
			
			
			if (list_art != 10) {
			
				document.getElementById('list_art').selectedIndex = 3;

				$('r_error').update('');
				doIt('buchungstabelle','reservierung','');
			}
		
		}

		abs_pos_x					=	Position.page($(starter_id))[0];
		abs_pos_y					=	Position.page($(starter_id))[1];

		document.getElementById(tool_id).style.display	=	"block";
		document.getElementById(tool_id).style.top	=	(abs_pos_y +  y_pos);
		document.getElementById(tool_id).style.left	=	(abs_pos_x + x_pos);
	
		

	}

	function hideIt(tool_id) {
		document.getElementById(tool_id).style.display = "none";
	}
	
	function getTracking(id,ypos) {
		
		var tooltip02	=	'tooltip_02_' + id;
		
		document.getElementById(tooltip02).style.display	=	"block";

		var tr_row	=	'tracking_row_' + id;
		
		e_height	=	$(tr_row).getHeight();
		abs_pos_y	=	Position.page($(tr_row))[1];
		offset_y	=	Position.realOffset($(tr_row))[1];
		
		document.getElementById(tooltip02).style.top		=	document.getElementById(tooltip02).style.top - e_height;
	
		// alert (offset_y + "|" + abs_pos_y + "|" + e_height);
	}

	function getStatus(id,ypos) {
		
		var tooltip03	=	'tooltip_03_' + id;
		
		document.getElementById(tooltip03).style.display	=	"block";

		var tr_row	=	'tracking_row_' + id;
		
		row_height	=	$(tr_row).getHeight();
		abs_pos_y	=	Position.page($(tr_row))[1];
		offset_y	=	Position.realOffset($(tr_row))[1];
		
		rel_pos_y	=	( abs_pos_y + offset_y );
		pos_y		=	( rel_pos_y - (405 + row_height));
		
		pos_x		=	Position.page($(tr_row))[0];
		offset_x	=	Position.realOffset($(tr_row))[0];
		
		
		e_name		 =	"status_" + id; 
		e_pos_y		 =	Position.page($(e_name))[1];
		e_pos_x		 =	Position.page($(e_name))[0];

		// alert ("E_POS_Y: " + e_pos_y + " | E_POS_X: " + e_pos_x);

		document.getElementById(tooltip03).style.top		=	pos_y;
	}