var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

function number_format( number, decimals, dec_point, thousands_sep ) 
{
    var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
    var d = dec_point == undefined ? "." : dec_point;
    var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}

function getParentTag(obj, tag)
{
	var tmp = obj;
	while (tmp = tmp.parentNode) {
		if (tmp.nodeName == tag) {
			return tmp;
		}
	}
	return null;
}

function getPreviousTag(obj, tag)
{
	var tmp = obj;
	while (tmp = tmp.previousSibling) {
		if (tmp.nodeName == tag) {
			return tmp;
		}
	}
	return null;
}

function openPopupByLocation(location, target, pW, pH)
{
	if (typeof pW != 'numeric') {
		pW = screen.width/2;
	}
	if (typeof pH != 'numeric') {
		pH = screen.height - screen.height/3;
	}
	var top = screen.height/2-pH/2;
	var left = screen.width/2-pW/2; 
	var params = 'toolbar=0,location=0,menubar=0,resizable=1,status=0,scrollbars=yes,screenX='
		+left+',screenY='+top+',top='+top+',left='+left
		+',width='+pW+',height='+pH;
	var wnd = window.open(location, target, params);
		wnd.opener = self;
		wnd.focus();
}

function openPopup(a, pW, pH)
{
	openPopupByLocation(a.href, a.getAttribute('target'), pW, pH);
	return false;
}

function searchkeyword()
{
	$('#textkeyword').html('Search our site or enter a site keyword:&nbsp;&nbsp;&nbsp;<span style="color:#0099CC; background:#fff;"><b> Searching... </b></span>');
	$.post('keyword', { keyword:$('#keywordinput').val()}, function(data) {
		if (data=='error') {
			$('#textkeyword').html('Search our site or enter a site keyword:&nbsp;&nbsp;&nbsp;<span style="color:#cc0000; background:#fff; "><b> There is no such keyword at our web site </b></span>');
		} else {
			$('#textkeyword').html('Search our site or enter a site keyword:&nbsp;&nbsp;&nbsp;<span style="color:#0099CC; background:#fff; "><b> Found. Redirecting... </b></span>');
			window.location=data;
		} 
	});

}

function initClickRow(linkSelector)
{
	if (!$(linkSelector).size()) {
		return false;
	}
	$(linkSelector).each(function(){
		var td = getParentTag(this, 'TD');
		var obj = this;
		while (td = getPreviousTag(td, 'TD')) {
			var a_cnt = $('a', td).size();
			var a_href = '';
			var a_target = '';
			if (a_cnt == 0) {
				a_href = obj.href;
				a_target = obj.target;
			} else if (a_cnt == 1) {
				a_href = $('a', td).attr('href');
				a_target = $('a', td).attr('target');
			}

			if (a_href != '') {
				$(td).attr('_href', a_href);
				$(td).attr('_target', a_target);
				$(td).mouseup(function(event){
					if ($.browser.msie) {
						middleButtonCode = 4;
					} else {
						middleButtonCode = 1;
					}
					if ($(this).attr('_target') == '_blank' || event.button == middleButtonCode) {
						window.open($(this).attr('_href'));
					} else {
						document.location = $(this).attr('_href');
					}
				});
				$(td).addClass('cursorPointer');
			}
		}
	});
}