/** 
 * Version: $Id: basics.js 8 2009-05-27 08:14:41Z michal b $
 */
function confirmWindow( sMessage ){
	var areYouSure = window.confirm( sMessage );

	if ( areYouSure ){
		return true;
	}
	return false;
}

function trim( str, chars ) {
    return ltrim( rtrim( str, chars ), chars );
}

function ltrim( str, chars ) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim( str, chars ) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function ucFirst( sWord ) {
	return sWord.substr( 0,1 ).toUpperCase() + sWord.substr( 1,sWord.length );
};

function number_format(a, b, c, d) {
 // number_format(number, decimals, comma, formatSeparator)
 var k = '';

 a = Math.round(a * Math.pow(10, b)) / Math.pow(10, b);

 var e = a + '';
 var f = e.split('.');
 if(!f[0]) f[0] = '0';
 if(!f[1]) f[1] = '';
 if(f[1].length < b){
  var g = f[1];
  for(var i = f[1].length + 1; i <= b; i++) {
   g += '0';
  }
  f[1] = g;
 }
 if(d != '' && f[0].length > 3) {
  var h = f[0];
  f[0] = '';
  for(var j = 3; j < h.length; j += 3) {
   i = h.slice(h.length - j, h.length - j + 3);
   f[0] = d + i +  f[0] + '';
  }
  j = h.substr(0, (h.length % 3 == 0) ? 3 : (h.length % 3));
  f[0] = j + f[0];
 }
 c = (b <= 0) ? '': c;
 return k + f[0] + c + f[1];
}