{
	// noClose() handler, in case future browsers have issues with the feature.
	var W_USE_NOCLOSE = true;
}


function openWindow(url, w, h) {
	// Fix Firefox 3.5 bug (content 680 pixels min, no scrollbar!)
	if (navigator.appCodeName && navigator.appCodeName == 'Mozilla') {
		if (w < 700) {
			w = 700;
		}
	}

	var options = "width=" + w + ",height=" + h + ",";
	options += "resizable=yes,scrollbars=yes,status=yes,";
	options += "menubar=yes,toolbar=yes,location=yes,directories=no";
	var newWin = window.open(url, 'newWin', options);
	newWin.focus();
}

function MM_findObj(n, d) {
	//v4.01
	var p,i,x;
	if(!d) d=document;
	if((p=n.indexOf("?"))>0 && parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n];
	for(i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n);
	return x;
}

// chatbox.php (Wac/Wax)
function MM_setTextOfTextfield(objName,x,newText) {
	//v3.0
	var obj = MM_findObj(objName);
	if (obj) obj.value = newText;
}

// Wac/Wax (editprofile.php, register.php)
function MM_validateForm() {
	//v4.0
	var i,p,q,nm,test,num,min,max,errors='', args=MM_validateForm.arguments;
	for (i=0; i<(args.length-2); i+=3){
		test=args[i+2];
		val = MM_findObj(args[i]);
		if (val) {
			nm=val.name; if ((val=val.value)!=""){
				if (test.indexOf('isEmail')!=-1) {
					p=val.indexOf('@');
					if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
				} else if (test!='R') {
					num = parseFloat(val);
					if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
					if (test.indexOf('inRange') != -1) {
						p=test.indexOf(':');
						min=test.substring(8,p);
						max=test.substring(p+1);
						if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
					}
				}
			} else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n';
		}
	}
	if (errors) alert('The following error(s) occurred:\n'+errors);
	document.MM_returnValue = (errors == '');
}

function insertText(id, newtext) {
	// Works for IE and Mozilla, but not many others
	var box = document.getElementById(id);
	box.focus();

	if (box.createTextRange) {
		// IE (use this instead of caretPos)
		document.selection.createRange().text += newtext;
	} else if (box.setSelectionRange) {
		// Mozilla, some others
		var len = box.selectionEnd;
		box.value = box.value.substr(0, len) + newtext + box.value.substr(len);
		box.setSelectionRange(len + newtext.length, len + newtext.length);
	} else {
		// DOM
		box.value += newtext;
	}
}

function display_block_when(change, check, value) {
	// Show change if check == value, otherwise hide
	var set_change = document.getElementById(change);
	var set_check = document.getElementById(check);

	if (set_check.value == value) {
		set_change.style.display = 'block';
	} else {
		set_change.style.display = 'none';
	}
}

function badChars(test) {
	var badsymbols = new Array('\'', '\"', '$', '#', '+', '&', '=','*', ':', ';', '/', '\\', '<', '>');

	for (var i = 0; i < badsymbols.length; i++) {
		if (test.indexOf(badsymbols[i]) != -1) {
			return badsymbols[i];
		}
	}
	return 0;
}

function checkName(name) {
	var n1 = document.getElementById(name);

	var result = badChars(n1.value);
	if (result == '\'' || result == '\"') {
		alert('Do not use double quotes or apostrophes in your name');
		return 0;
	}
	if (result) {
		alert('Do not use the following characters in your name: \' \" $ # & = * + : ; / \\ < >');
		return 0;
	}
	return 1;
}

function checkURL(line) {
	var url = document.getElementById(line);
	var result = url.value;

	// Fitler space and upper case
	result = result.replace(/^\s*(.*)/, "$1");
	result = result.replace(/(.*?)\s*$/, "$1");
	result = result.toLowerCase();

	if (result == '' || result.length < 8) {
		alert('A valid URL is required to register on this BBS.');
		return 0;
	}
	return 1;
}

function checkPass(pass1, pass2) {
	var p1 = document.getElementById(pass1);
	var p2 = document.getElementById(pass2);

	var result = badChars(p1.value);
	if (result == '\'' || result == '\"') {
		alert('Do not use double quotes or apostrophes in your password');
		return 0;
	}
	if (result) {
		alert('Do not use the following characters in your password: \' \" $ # & = * + : ; / \\');
		return 0;
	}

	if (p1.value != '' && p2.value != '') {
		if (p1.value != p2.value) {
			alert('Passwords do not match');
			return 0;
		}
	}
	return 1;
}

function maximize_app(apptype) {
	var winheight;
	var appchange = document.getElementById(apptype);

	if (!appchange) {
		alert("Can't maximize '" + apptype + "'!\n\nEither your browser is either too old, there is an error in the HTML, or Java can't load " + apptype + ".");
		return;
	}

	winwidth = get_width();
	winheight = get_height();

	if (!winwidth || !winheight) {
		alert("Sorry, I can't determine your browser's window size.\n\nThis feature won't work with your brand of web browser.");
		return;
	}

	if( winwidth > 600 ) {
		appchange.style.width = "100%";
		appchange.width = "100%";
	} else {
		appchange.style.width = "600px";
		appchange.width = "600";
	}

	if( winheight > 550 ) {
		appchange.style.height = winheight + "px";
		appchange.height = winheight;
	} else {
		appchange.style.height = "550px";
		appchange.height = "550";
	}
}

function size_app(apptype) {
	var appchange = document.getElementById(apptype);
	var button_x = document.getElementById("button_x");
	var button_y = document.getElementById("button_y");

	if (!appchange) {
		alert("Can't maximize '" + apptype + "'!\n\nEither your browser is either too old, there is an error in the HTML, or Java can't load " + apptype + ".");
		return (false);
	}
	if (button_x && button_x.value > 0 && button_y && button_y.value > 0) {
		new_x = button_x.value;
		new_y = button_y.value;
	} else {
		return (false);
	}

	if(new_x > 500 && new_x < 10000) {
		appchange.style.width = new_x + "px";
		appchange.width = new_x;
	} else {
		appchange.style.width = "500px";
		appchange.width = "500";
	}

	if(new_y > 530 & new_y < 10000) {
		appchange.style.height = new_y + "px";
		appchange.height = new_y;
	} else {
		appchange.style.height = "530px";
		appchange.height = "530";
	}

	return (true);
}

function resize_chat(percentage) {
	var newheight;
	var frameid = document.getElementById("chatarea");

	if (!frameid) {
		alert("DOM error with resize_chat(): No ElementID for 'chatarea'!\n\nPlease notify the administrator. A DOM error is usually a problem with the HTML.");
		return;
	}

	if (percentage < 10 || percentage > 100) {
		alert("Value for resize_chat() is invalid. 10 to 100 expected. Do not include the % symbol.\n\nPlease notify the administrator.  This is a problem with the HTML.");
		return;
	}

	newheight = get_height();
	if (newheight) {
		newheight = Math.round( (get_height() * percentage) / 100);
		frameid.style.height = newheight + "px";
	}
}

function get_width() {
	var width;

	// Code taken from http://www.quirksmode.org
	if (self.innerWidth) {
		// all except Explorer
		width = self.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientWidth) {
		// Explorer 6 Strict Mode
		width = document.documentElement.clientWidth;
	}
	else if (document.body) {
		// other browsers
		width = document.body.clientWidth;
	}
	//End code credit

	return width;
}

function get_height() {
	var height;

	// Code taken from http://www.quirksmode.org
	if (self.innerHeight) {
		// all except Explorer
		height = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight) {
		// Explorer 6 Strict Mode
		height = document.documentElement.clientHeight;
	}
	else if (document.body) {
		// other browsers
		height = document.body.clientHeight;
	}
	//End code credit

	return height;
}

function updatePreview(xMin, yMin, xMax, yMax){
	var image = document.getElementById("previewImage");
	var newx  = document.getElementById("previewWidth");
	var newy  = document.getElementById("previewHeight");

	if (!image || !newx || !newy) {
		alert("updatePreview(): previewImage, previewWidth, or previewHeight is missing!\n\nCheck the HTML for missing 'id' attributes.");
		return;
	}

	//Get input
	var testx = newx.value;
	var testy = newy.value;

	//Validate input
	if(testx < xMin) testx = xMin;
	if(testx > xMax) testx = xMax;
	if(testy < yMin) testy = yMin;
	if(testy > yMax) testy = yMax;

	image.width = testx;
	image.height = testy;
	newx.value = testx;
	newy.value = testy;
}

function toggle_checks(check_name, my_form) {
	var el;

	for (i = 0; i < my_form.elements.length; i++) {
		el = my_form.elements[i];
		if (el.name == check_name) {
			if (el.disabled == false) {
				if (el.checked == true) {
					el.checked = false;
				} else {
					el.checked = true;
				}
			}
		}
	}
}


/*
string hcp()
	: HTML character preprocessor.  Masks illegal HTML chars in comments, as HTML does not support the XML 'CDATA' tag.  Also subs symbols snooped by spambots.
	Related: hcprint()

	Input:
		{{  -> "<"
		}}  -> ">"
		{e} -> "mailto:"
		{a} -> "@"
		{d} -> "."
		{s} -> "?subject="

	Ex:
		myvar = hcp('{{a href="{e}name{a}server{d}com{s}mysubject"}}Contact{{/a}}');
*/
function hcp(work) {
	work = work.replace( /\{e\}/g , "mailto:");
	work = work.replace( /\{a\}/g , "&#064;");
	work = work.replace( /\{d\}/g , ".");
	work = work.replace( /\{s\}/g , "?subject=");
	work = work.replace( /\{\{/g  , "<");
	work = work.replace( /\}\}/g  , ">");
	return work ;
}


/*
void hcprint()
	: writeln() wrapper for hcp()
	Dependency: hcp()

	Ex:
		hcprint('{{tag}}content{{/tag}}');
*/
function hcprint(input) {
	document.writeln(hcp(input));
}


/*
void noBadClose()
	: Use in <script> tag to prevent accidental closing of window.
	Requires: W_USE_NOCLOSE
*/
function noBadClose() {
	if (W_USE_NOCLOSE == true) {
		window.onbeforeunload = noClose;
	}
}


/*
string/void noClose()
	: Uses DOM2 or IE DHTML to prevent accidental closing of applet window while drawing.
	Related: noBadClose()
*/
function noClose(e) {
	if (!e) e = window.event;
	var ncl_message = 'If you are submitting a picture or just closing the window, click OK.';

	// DOM 2 or IE (Opera 9 not supported)
	if (e.stopPropagation) {
		// stopPropagation kills the bubbling process.
		// preventDefault negates return value (custom message).
		e.stopPropagation();
		e.preventDefault();
		return(ncl_message);
	} else {
		// cancelBubble is supported by IE - this will kill the bubbling process.
		// IE requires a return value to properly cancel the bubble.
		e.cancelBubble = true;
		e.returnValue = ncl_message;
	}
}