/**
 * Mabudo
 *
 * funkcje pomocnicze JavaScript
 *
 **/

function checkEnter(event)
{ 	
	NS4 = (document.layers) ? true : false;
	var code = 0;
	
	if (NS4)
		code = event.which;
	else
		code = event.keyCode;
	if (code==13)
	{
		event.keyCode = 0;
		return 1;
	}
	return 0;
}

function winopen(plik, w, h, scroll) 
{

	if(window.screen) {
	  aw=screen.availwidth;
	  ah=screen.availheight;
	}else{
	  aw=640;
	  ah=450;
	}
	 ustawienia=
	 "left="+(aw-w)/2+","
	 +"top="+(ah-h)/2+","
	 +"screenX="+(aw-w)/2+","
	 +"screenY="+(ah-h)/2+","
	 +"width="+w+","
	 +"height="+h+","
	 +"toolbar=no,"
	 +"location=no,"
	 +"directories=no,"
	 +"status=no,"
	 +"menubar=no,"
	 +"scrollbars="+scroll+","
	 +"name="+plik+","
	 +"resizable=no"
	 noweokno=window.open(plik,
	 	('o_' + Math.random (100)).replace ('.','_'),
	 	ustawienia);
	 return noweokno;
}

// Removes leading whitespaces
function LTrim( value ) {
	
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
	
}

// Removes ending whitespaces
function RTrim( value ) {
	
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
	
}

// Removes leading and ending whitespaces
function trim( value ) {
	
	return LTrim(RTrim(value));
	
}