function show_layer(layer2show, layerCount){
	
	for(i = 1; i <= layerCount; i++){
		obj = 'pageLayer_' + i;
		document.getElementById(obj).style.display = 'none';
	}
	
	document.getElementById(layer2show).style.display = 'block';
}

$(document).ready(function(){
	$("a.plus").click(function(){$(".format_all_div").toggleClass("plus").toggleClass("minus").show("normal");});
	$("a.minus").click(function(){$(".format_all_div").toggleClass("minus").toggleClass("plus").hide("normal");});
});

function open_calc(){
	pop = window.open('calculator.php','calc_popup','width=770, height=480, scrollbars=yes, resizable=yes, status=no, menubar=no, toolbar=no');
	return (pop) ? false : true;
}


function open_upload(){
	return	$('body').addWindow(
							810, 
							550,
							'<iframe id="upload_layer" name="upload_layer" src="upload/upload.php" allowtransparency="true" scrolling="no"  frameborder="0" style="width:810px;height:520px;" class=""></iframe>',
						 	true,
						 	'Bildupload'
							);
}