function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}

function show(name){
	document.getElementById(name).style.display='';
}

function hide(name){
	document.getElementById(name).style.display='none';
}

function tab_it(id) {
	var ids = ['comments', 'who_voted', 'whodesphunn'];
	var i;
	var len = ids.length;
	for (i = 0; i < len; i++) {
		if (id == ids[i]) {
			show(ids[i]);
			$(ids[i] + '_link').className = 'navbut1';
		}
		else {
			hide(ids[i]);
			$(ids[i] + '_link').className = 'navbut3';
		}
	}
}

function tab_it2(id) {
	var ids = ['home', 'my', 'iamin','nblogs'];
	var i;
	var len = ids.length;
	for (i = 0; i < len; i++) {
		if (id == ids[i]) {
			show(ids[i]);
			$(ids[i] + '_link').className = 'navbut1';
		}
		else {
			hide(ids[i]);
			$(ids[i] + '_link').className = 'navbut3';
		}
	
	}
	if (id=='home') {show('navbar1'); hide('navbar1_fake');}
	else {hide('navbar1'); show('navbar1_fake');}
}


function tab_it3(id) {
	var ids = ['hot', 'new', 'greatest'];
	var i;
	var len = ids.length;
	for (i = 0; i < len; i++) {
		if (id == ids[i]) {
			show(ids[i]);
			
		}
		else {
			hide(ids[i]);
			
		}
	}
}

function enablebutton(button, button2, target)
{
	var string = target.value;
	button2.disabled = false;
	if (string.length > 0) {
		button.disabled = false;
	} else {
		button.disabled = true;
	}
}

 function compare(val1,val2,container){
 	var cont=document.getElementById(container);
 	if (val1==val2){
 		if (val1=='')
 			cont.innerHTML='Password is empty!';
 		else if(val1.length<5)
			cont.innerHTML='Password is too short!';
		else
 			cont.innerHTML='<span>OK</span>';
 	}
 	else
 		cont.innerHTML='Passwords do not match!';
 }
 
 
 
function toggle_cursor() {
	if (document.body.style.cursor != 'pointer') {
		document.body.style.cursor='pointer';
	} else {
		document.body.style.cursor='default';
	}
}

function urlencode(s) {
  s = encodeURIComponent(s);
  return s.replace(/~/g,'%7E').replace(/%20/g,'+');
 }

 
 
 
 var Base64 = {

    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-_",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // 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;
    }

}


function trigger(controlid,id,text1,text2){
	if ($(id).style.display=='none'){ 
		Effect.SlideDown(id);
		$(controlid).innerHTML=text2;
	}
	else{ 
		Effect.SlideUp(id);
		$(controlid).innerHTML=text1;
	}
}


function checkAll(oForm, cbName, checked)
{
for (var i=0; i < oForm[cbName].length; i++) oForm[cbName][i].checked = checked;
}