function addLoadEvent (func) {
	var oldonload=window.onload;
	if (typeof window.onload != 'function') {
		window.onload=func;
	}
	else {
		window.onload=function() {
			oldonload();
			func();
		}
	}
}
function findPosY(obj) {
	var curTop=0;
	if (obj.offsetParent) {
		while (obj.offsetParent) {
			curTop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	else if (obj.y) {
		curTop += obj.y;
	}
	return curTop;
}

function popup (page, httproot) {
		
	_popupwin = window.open(httproot + "/popup.php?page=" + page, "popup", "menubar=0, resizable=0, scrollbars=1, status=no, top=0, left=0, width=760, height=400");

	if (_popupwin)
		_popupwin.focus();

}

function n_popup(url,title,w,h) {
  x=screen.availWidth /2-w/2;
  y=screen.availHeight/2-h/2;
  popupwin=window.open(url,title,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=1,width="+w+",height="+h+",left="+x+",top="+y);
  popupwin.focus();
}

function v_popup(url,title,w,h) {
  x=screen.availWidth /2-w/2;
  y=screen.availHeight/2-h/2;
  popupwin=window.open(url,title,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=0,width="+w+",height="+h+",left="+x+",top="+y);
  popupwin.focus();
}

function sure(txt,cmd) {
  if (confirm(txt)) {
    window.location=cmd;
  }
}

/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/

var Url = {

	// public method for url encoding
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},

	// public method for url decoding
	decode : function (string) {
		return this._utf8_decode(unescape(string));
	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}

}