function hide(id, preid){
		ch=document.getElementById(preid+id);
		ch.style.display='none';
		ch=document.getElementById('p'+preid+id);
		ch.style.display='';
		ch=document.getElementById('m'+preid+id);
		ch.style.display='none';
		dellnode(id, preid);
	}
	function show(id, preid){
		ch=document.getElementById(preid+id);
		ch.style.display='';
		ch=document.getElementById('p'+preid+id);
		ch.style.display='none';
		ch=document.getElementById('m'+preid+id);
		ch.style.display='';
		addnode(id, preid);
	}
    function addnode(id, preid){
		formname=preid+'treeform';
		document.forms[formname].catstr.value+=(id+'*');
//		alert(document.treeform.catstr.value);
	}
	function dellnode(id, preid){
		formname=preid+'treeform';
		str=document.forms[formname].catstr.value;
		str=str.replace('*'+id+'*','*');
		document.forms[formname].catstr.value=str;
	}

	
	
	
	
	/*
		* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
		* Digest Algorithm, as defined in RFC 1321.
		* Copyright (C) Paul Johnston 1999 - 2000.
		* Updated by Greg Holt 2000 - 2001.
		* See http://pajhome.org.uk/site/legal.html for details.
		*/
	
	/*
	* Convert a 32-bit number to a hex string with ls-byte first
	*/
	var hex_chr = "0123456789abcdef";
	function rhex(num){
		str = "";
		for(j = 0; j <= 3; j++)
				str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + hex_chr.charAt((num >> (j * 8)) & 0x0F);
		return str;
	}
	/*
		* Convert a string to a sequence of 16-word blocks, stored as an array.
		* Append padding bits and the length, as described in the MD5 standard.
		*/
	function str2blks_MD5(str){
		nblk = ((str.length + 8) >> 6) + 1;
		blks = new Array(nblk * 16);
		for(i = 0; i < nblk * 16; i++) 
			blks[i] = 0;
		for(i = 0; i < str.length; i++)
				blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8);
		blks[i >> 2] |= 0x80 << ((i % 4) * 8);
		blks[nblk * 16 - 2] = str.length * 8;
		return blks;
	}
	/*
	* Add integers, wrapping at 2^32. This uses 16-bit operations internally 
	* to work around bugs in some JS interpreters.
	*/
	function add(x, y) {
	var lsw = (x & 0xFFFF) + (y & 0xFFFF);
	var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
		return (msw << 16) | (lsw & 0xFFFF);
	}

	/*
	* Bitwise rotate a 32-bit number to the left
	*/
	function rol(num, cnt) {
		return (num << cnt) | (num >>> (32 - cnt));
	}
	/*
		* These functions implement the basic operation for each round of the
		* algorithm.
		*/
	function cmn(q, a, b, x, s, t) {
		return add(rol(add(add(a, q), add(x, t)), s), b);
	}
	function ff(a, b, c, d, x, s, t) {
		return cmn((b & c) | ((~b) & d), a, b, x, s, t);
	}
	function gg(a, b, c, d, x, s, t){
			return cmn((b & d) | (c & (~d)), a, b, x, s, t);
	}
	function hh(a, b, c, d, x, s, t){
			return cmn(b ^ c ^ d, a, b, x, s, t);
	}
	function ii(a, b, c, d, x, s, t){
			return cmn(c ^ (b | (~d)), a, b, x, s, t);
	}
	/*
		* Take a string and return the hex representation of its MD5.
		*/
	function MD5(str){
	var a =  1732584193, b = -271733879, c = -1732584194, d =  271733878;
		x = str2blks_MD5(str);
		for(i = 0; i < x.length; i += 16) {
		var olda = a, oldb = b, oldc = c, oldd = d;
			a = ff(a, b, c, d, x[i+ 0], 7 , -680876936);
			d = ff(d, a, b, c, x[i+ 1], 12, -389564586);
			c = ff(c, d, a, b, x[i+ 2], 17, 606105819);
			b = ff(b, c, d, a, x[i+ 3], 22, -1044525330);
			a = ff(a, b, c, d, x[i+ 4], 7 , -176418897);
			d = ff(d, a, b, c, x[i+ 5], 12, 1200080426);
			c = ff(c, d, a, b, x[i+ 6], 17, -1473231341);
			b = ff(b, c, d, a, x[i+ 7], 22, -45705983);
			a = ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
			d = ff(d, a, b, c, x[i+ 9], 12, -1958414417);
			c = ff(c, d, a, b, x[i+10], 17, -42063);
			b = ff(b, c, d, a, x[i+11], 22, -1990404162);
			a = ff(a, b, c, d, x[i+12], 7 , 1804603682);
			d = ff(d, a, b, c, x[i+13], 12, -40341101);
			c = ff(c, d, a, b, x[i+14], 17, -1502002290);
			b = ff(b, c, d, a, x[i+15], 22, 1236535329);    
			
			a = gg(a, b, c, d, x[i+ 1], 5 , -165796510);
			d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
			c = gg(c, d, a, b, x[i+11], 14, 643717713);
			b = gg(b, c, d, a, x[i+ 0], 20, -373897302);
			a = gg(a, b, c, d, x[i+ 5], 5 , -701558691);
			d = gg(d, a, b, c, x[i+10], 9 , 38016083);
			c = gg(c, d, a, b, x[i+15], 14, -660478335);
			b = gg(b, c, d, a, x[i+ 4], 20, -405537848);
			a = gg(a, b, c, d, x[i+ 9], 5 , 568446438);
			d = gg(d, a, b, c, x[i+14], 9 , -1019803690);
			c = gg(c, d, a, b, x[i+ 3], 14, -187363961);
			b = gg(b, c, d, a, x[i+ 8], 20, 1163531501);
			a = gg(a, b, c, d, x[i+13], 5 , -1444681467);
			d = gg(d, a, b, c, x[i+ 2], 9 , -51403784);
			c = gg(c, d, a, b, x[i+ 7], 14, 1735328473);
			b = gg(b, c, d, a, x[i+12], 20, -1926607734);
			
			a = hh(a, b, c, d, x[i+ 5], 4 , -378558);
			d = hh(d, a, b, c, x[i+ 8], 11, -2022574463);
			c = hh(c, d, a, b, x[i+11], 16, 1839030562);
			b = hh(b, c, d, a, x[i+14], 23, -35309556);
			a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
			d = hh(d, a, b, c, x[i+ 4], 11, 1272893353);
			c = hh(c, d, a, b, x[i+ 7], 16, -155497632);
			b = hh(b, c, d, a, x[i+10], 23, -1094730640);
			a = hh(a, b, c, d, x[i+13], 4 , 681279174);
			d = hh(d, a, b, c, x[i+ 0], 11, -358537222);
			c = hh(c, d, a, b, x[i+ 3], 16, -722521979);
			b = hh(b, c, d, a, x[i+ 6], 23, 76029189);
			a = hh(a, b, c, d, x[i+ 9], 4 , -640364487);
			d = hh(d, a, b, c, x[i+12], 11, -421815835);
			c = hh(c, d, a, b, x[i+15], 16, 530742520);
			b = hh(b, c, d, a, x[i+ 2], 23, -995338651);
			
			a = ii(a, b, c, d, x[i+ 0], 6 , -198630844);
			d = ii(d, a, b, c, x[i+ 7], 10, 1126891415);
			c = ii(c, d, a, b, x[i+14], 15, -1416354905);
			b = ii(b, c, d, a, x[i+ 5], 21, -57434055);
			a = ii(a, b, c, d, x[i+12], 6 , 1700485571);
			d = ii(d, a, b, c, x[i+ 3], 10, -1894986606);
			c = ii(c, d, a, b, x[i+10], 15, -1051523);
			b = ii(b, c, d, a, x[i+ 1], 21, -2054922799);
			a = ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
			d = ii(d, a, b, c, x[i+15], 10, -30611744);
			c = ii(c, d, a, b, x[i+ 6], 15, -1560198380);
			b = ii(b, c, d, a, x[i+13], 21, 1309151649);
			a = ii(a, b, c, d, x[i+ 4], 6 , -145523070);
			d = ii(d, a, b, c, x[i+11], 10, -1120210379);
			c = ii(c, d, a, b, x[i+ 2], 15, 718787259);
			b = ii(b, c, d, a, x[i+ 9], 21, -343485551);
			
			a = add(a, olda);
			b = add(b, oldb);
			c = add(c, oldc);
			d = add(d, oldd);
		}
			return rhex(a) + rhex(b) + rhex(c) + rhex(d);
	}
	
	
function post_data(url, params, content_id, loading_id)
{
	url=encodeURI(url);
    if(document.getElementById(content_id)){
		document.getElementById(content_id).innerHTML = '';
		document.getElementById(content_id).style.display = 'none';             
    }
    if(document.getElementById(loading_id))
		document.getElementById(loading_id).style.display = '';            
	$.post(url,  params ,
		function(data) {
            if(document.getElementById(content_id)){
            	document.getElementById(content_id).style.display = ''; 
				document.getElementById(content_id).innerHTML = data;            
            }
            if(document.getElementById(loading_id))
				document.getElementById(loading_id).style.display = 'none';            
		}
	);

}