//---------------------------------------------------------------
// Opacity Displayer, Version 1.0
// Copyright Michael Lovitt, 6/2002.
// Distribute freely, but please leave this notice intact.
//---------------------------------------------------------------

//---------------------------------------------------------------
// OPACITY OBJECT
//
// Instantiates the object, defines the properties and methods.
function OpacityObject(divId, strPath) {
	this.id = divId;
	this.path = strPath;
	if (ns){
		if (browserVersion>=5) {
			this.layerObject = document.getElementById(divId).style;
		} else { 
			this.layerObject = eval("document."+divId);
		}
	} else {
		this.layerObject = eval(divId + ".style");
	}
	this.setBackground = od_object_setBackground;
}
// Uses AlphaImageLoader filter, or the css background property,
// as appropriate, to apply a PNG or GIF as the background of the layerObject.
function od_object_setBackground() {	
	if (pngAlpha) {
		this.layerObject.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.path+".png', sizingMethod='scale')";
	} else if (pngNormal) {
		this.layerObject.backgroundImage = 'url('+this.path+'.png)';
	} else {
		this.layerObject.backgroundImage = 'url('+this.path+'.gif)';
	}
}
//---------------------------------------------------------------

//---------------------------------------------------------------
// OPACITY DISPLAY FUNCTION
// Outputs the image as a div with the AlphaImageLoader, or with
// a standard image tag.
function od_displayImage(strId, strPath, intWidth, intHeight, strClass, strAlt) {	
	if (pngAlpha) {
		document.write('<div style="height:'+intHeight+'px;width:'+intWidth+'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+strPath+'.png\', sizingMethod=\'scale\')" id="'+strId+'" class="'+strClass+'"></div>');
	} else if (pngNormal) {
		document.write('<img src="'+strPath+'.png" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />');
	} else {
		document.write('<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />');
	}
}
//---------------------------------------------------------------

//---------------------------------------------------------------
// OPACITY ROLL-OVER FUNCTIONS
function od_rollOver(strId, strColor) {	
	if (pngAlpha) {
		document.getElementById(strId).style.backgroundColor = strColor;
	} else {
	    if (document.images && (flag == true)) {
	        document[strId].src = eval(strId + "on.src");
	    }
	}
}
function od_rollOut(strId, strColor) {	
	if (pngAlpha) {
		document.getElementById(strId).style.backgroundColor = strColor;
	} else {
	    if (document.images) {
	        document[strId].src = eval(strId + "off.src");
	    }
	}
}
//---------------------------------------------------------------

//---------------------------------------------------------------
// global variables

// if IE5.5+ on win32, then display PNGs with AlphaImageLoader
if ((browser.isIE55 || browser.isIE6up) && browser.isWin32) {
	var pngAlpha = true;
	var strExt = ".png";
// else, if the browser can display PNGs normally, then do that. that list includes:
	//     -Gecko Engine: Netscape 6 or Mozilla, Mac or PC
	//     -IE5+ Mac (OpacityObject applies the background image at 100% opacity)
	//     -Opera 6+ PC
	//     -Opera 5+ Mac (Doesn't support dynamically-set background images)
	//     -Opera 6+ Linux 
	//     -Omniweb 3.1+ 
	//     -Icab 1.9+ 
	//     -WebTV 
	//     -Sega Dreamcast
} else if ((browser.isGecko) || (browser.isIE5up && browser.isMac) || (browser.isOpera && browser.isWin && browser.versionMajor >= 6) || (browser.isOpera && browser.isUnix && browser.versionMajor >= 6) || (browser.isOpera && browser.isMac && browser.versionMajor >= 5) || (browser.isOmniweb && browser.versionMinor >= 3.1) || (browser.isIcab && browser.versionMinor >= 1.9) || (browser.isWebtv) || (browser.isDreamcast)) {
	var pngNormal = true;
	var strExt = ".png";
	// otherwise, we use plain old GIFs
} else {
	var strExt = ".gif";
}

var ns = (document.all)?false:true;
var browserVersion = parseFloat(navigator.appVersion );
//---------------------------------------------------------------

function externallinkbox(sitechoice) 
	{destination = sitechoice[sitechoice.selectedIndex].value;
	if (destination == "null")
		{return true;}
	window.open(destination, '_blank');
	return true;}	
function popphoto(url) {window.open(url,"lyrics","height=450,width=600,directory=no,toolbar=no,scrollbars=yes,resizable=no,location=no");}
function popquot(url) {window.open(url,"quotes","height=450,width=570,directory=no,toolbar=no,scrollbars=yes,resizable=no,location=no");}
function OpenComments (c) {
    window.open(c, 'comments', 'width=480,height=480,scrollbars=yes,status=yes'); }
function OpenTrackback (c) {
    window.open(c, 'trackback', 'width=480,height=480,scrollbars=yes,status=yes');}
function poplink(url) {window.open(url,"lyrics","height=400,width=650,directory=no,toolbar=no,scrollbars=yes,resizable=no,location=no");}

function showhide(id)  
{ 
 var style = document.getElementById(id).style  
 if (style.display == "block")  
  style.display = "none";  
 else  
  style.display = "block";  
}

var hexcase = 0; var b64pad = ""; var chrsz = 8; function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data));}
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data));}
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data));}
function md5_vm_test()
{ return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";}
function core_md5(x, len)
{ x[len >> 5] |= 0x80 << ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; for(var i = 0; i < x.length; i += 16)
{ var olda = a; var oldb = b; var oldc = c; var oldd = d; a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); c = md5_ff(c, d, a, b, x[i+10], 17, -42063); b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd);}
return Array(a, b, c, d);}
function md5_cmn(q, a, b, x, s, t)
{ return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);}
function md5_ff(a, b, c, d, x, s, t)
{ return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);}
function md5_gg(a, b, c, d, x, s, t)
{ return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);}
function md5_hh(a, b, c, d, x, s, t)
{ return md5_cmn(b ^ c ^ d, a, b, x, s, t);}
function md5_ii(a, b, c, d, x, s, t)
{ return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);}
function core_hmac_md5(key, data)
{ var bkey = str2binl(key); if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16); for(var i = 0; i < 16; i++)
{ ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5C5C5C5C;}
var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); return core_md5(opad.concat(hash), 512 + 128);}
function safe_add(x, y)
{ var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF);}
function bit_rol(num, cnt)
{ return (num << cnt) | (num >>> (32 - cnt));}
function str2binl(str)
{ var bin = Array(); var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); return bin;}
function binl2str(bin)
{ var str = ""; var mask = (1 << chrsz) - 1; for(var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask); return str;}
function binl2hex(binarray)
{ var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++)
{ str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);}
return str;}
function binl2b64(binarray)
{ var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for(var i = 0; i < binarray.length * 4; i += 3)
{ var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); for(var j = 0; j < 4; j++)
{ if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);}
}
return str;}
function superTextile(s) { var r = s; qtags = [['\\*', 'strong'], ['\\?\\?', 'cite'], ['\\+', 'ins'], ['~', 'sub'], ['\\^', 'sup'], ['@', 'code']]; for (var i=0;i<qtags.length;i++) { ttag = qtags[i][0]; htag = qtags[i][1]; re = new RegExp(ttag+'\\b(.+?)\\b'+ttag,'g'); r = r.replace(re,'<'+htag+'>'+'$1'+'</'+htag+'>');}
re = new RegExp('\\b_(.+?)_\\b','g'); r = r.replace(re,'<em>$1</em>'); re = new RegExp('[\s\n]-(.+?)-[\s\n]','g'); r = r.replace(re,'<del>$1</del>'); re = new RegExp('"\\b(.+?)\\(\\b(.+?)\\b\\)":([^\\s]+)','g'); r = r.replace(re,'<a href="$3" title="$2">$1</a>'); re = new RegExp('"\\b(.+?)\\b":([^\\s]+)','g'); r = r.replace(re,'<a href="$2">$1</a>'); re = new RegExp('!\\b(.+?)\\(\\b(.+?)\\b\\)!','g'); r = r.replace(re,'<img src="$1" alt="$2">'); re = new RegExp('!\\b(.+?)\\b!','g'); r = r.replace(re,'<img src="$1">'); re = new RegExp('(.*)\n([^#\*\n].*)','g'); r = r.replace(re,'$1<br />$2'); re = new RegExp('\n<br />','g'); r = r.replace(re,'\n'); lines = r.split('\n'); nr = ''; for (var i=0;i<lines.length;i++) { line = lines[i].replace(/\s*$/,''); changed = 0; if (line.search(/^\s*bq\.\s+/) != -1) { line = line.replace(/^\s*bq\.\s+/,'\t<blockquote>')+'</blockquote>'; changed = 1;}
if (line.search(/^\s*h[1-6]\.\s+/) != -1) { re = new RegExp('h([1-6])\.(.+)','g'); line = line.replace(re,'<h$1>$2</h$1>'); changed = 1;}
if (line.search(/^\s*\*\s+/) != -1) { line = line.replace(/^\s*\*\s+/,'\t<liu>') + '</liu>'; changed = 1;}
if (line.search(/^\s*#\s+/) != -1) { line = line.replace(/^\s*#\s+/,'\t<lio>') + '</lio>'; changed = 1;}
if (!changed && (line.replace(/\s/g,'').length > 0)) line = '<p>'+line+'</p>'; lines[i] = line + '\n';}
inlist = 0; listtype = ''; for (var i=0;i<lines.length;i++) { line = lines[i]; if (inlist && listtype == 'ul' && !line.match(/^\t<liu/)) { line = '</ul>\n' + line; inlist = 0;}
if (inlist && listtype == 'ol' && !line.match(/^\t<lio/)) { line = '</ol>\n' + line; inlist = 0;}
if (!inlist && line.match(/^\t<liu/)) { line = '<ul>' + line; inlist = 1; listtype = 'ul';}
if (!inlist && line.match(/^\t<lio/)) { line = '<ol>' + line; inlist = 1; listtype = 'ol';}
lines[i] = line;}
r = lines.join('\n'); r = r.replace(/li[o|u]>/g,'li>'); return r;}
function reloadPreviewDiv() { var commentString = document.getElementById('comment').value; var con = superTextile(commentString); document.getElementById('preview-comment').innerHTML = con;}
function reloadName() { var newName = document.getElementById("name").value; var nameElement = document.getElementById("preview-name"); nameElement.innerHTML = newName;}
function reloadGravatar() { var newEmail = document.getElementById("email").value; var emailElement = document.getElementById("preview-gravatar"); var md5 = hex_md5(newEmail); emailElement.src="http://www.gravatar.com/avatar.php?gravatar_id="+md5+"&size=42";}
function reloadLink() { var newLink = document.getElementById("web").value; var linkElement = document.getElementById("preview-name"); linkElement.href = "http://"+newLink;}
function reloadMultiple() { reloadName(); reloadLink(); reloadGravatar();}


function showhide(id)  
{ 
 var style = document.getElementById(id).style  
 if (style.display == "block")  
  style.display = "none";  
 else  
  style.display = "block";  
}


function showHelp(divId) {
	if (document.getElementById) {document.getElementById(divId).style.display='block'} else if (document.all){document.all[divId].style.display='block'}
}

function hideHelp(divId) {
	if (document.getElementById) {document.getElementById(divId).style.display='none'} else if (document.all){document.all[divId].style.display='none'}
}