var reltotarget = false;

function $(v,o) { 
	return( (typeof(o) == 'object' ? o : document).getElementById(v) ); 
}
function $S(o) { 
	return( (typeof(o) == 'object' ? o : $(o)).style); 
}
function agent(v) { 
	return( Math.max(navigator.userAgent.toLowerCase().indexOf(v), 0) ); 
}
function abPos(o) { 
	var o = (typeof(o) == 'object' ? o : $(o)), z = {X: 0, Y: 0}; 
	while (o != null) { 
		z.X += o.offsetLeft; 
		z.Y += o.offsetTop; 
		o = o.offsetParent; 
	}; 
	return(z); 
}

/* Fetch window width and hide/show right side */
function liveWidth() {	
    var x;
	if ($('right_column') != undefined) {
		x = window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
		if (x < 1025) { 
			$S('right_column').display = "none"; 
		} else {	
			$S('right_column').display = "";	
		}
	}
}

function hotKeys(evt) {
	alert(evt.keyCode);
}

/* fucking xhtml removed target="_blonk" from links and added a useless rel property. so...payback */
function externalLinks() {
 if (!reltotarget) {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i = 0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href")) 
		{
		
			if (anchor.getAttribute("rel") == "external") {
				anchor.target = "_blank";
			} 
			else if (anchor.getAttribute("rel") == "actions") {
			
				anchor.target = "actions";
			}
		}
	}
	reltotarget = true;
 }
} 


function buttons() {
 	if (!document.getElementsByTagName) return;
	var buttons = document.getElementsByTagName("input");
	for (var i = 0; i < buttons.length; i++) {
		var button = buttons[i];
		if (button.className.indexOf("BTN") != -1) {
			button.onmouseover = function() {
				this.className = this.className.replace(/off$/,"on");
			}
			button.onmouseout = function() {
				this.className = this.className.replace(/on$/,"off");
			}
		}
	}
}

function openURL( url, target ) {
	try	{
		var popup = window.open( url, target );
		if ( popup == null )
			return false;
		if (window.opera)
		if (!popup.opera)
			return false;
	}
	catch(err) {
		return false;
	}
	return true;
}

function close_comment() {
	$S('add_comment').display = 'none';
}

function add_comment() {
	$S('add_comment').display = 'block';
	if (document.forms.comment_form != null)
		document.forms.comment_form.comment.focus();
}

function report_spam(id) {
	actions.location = '/report_' + id + '_spam.html';
}

function change (type) {
	for (var i = 2; i < 4; i++) {
		$('type' + i).className = (type == i ? 'visible' : 'hidden');
	}
}

function category_selected(element) {
	var value = element.options[element.selectedIndex].value.match(/(.*)-(.*)/);
	var id = value[2];
	var type = value[1];
	if (type == 4) type = 3;
	document.forms.upload_form.category.value = id;
	document.forms.upload_form.type.value = type;
	change(type);	
}

function checkUploadForm(form) {
	var errors = 0;
	var message = 'Please see this errors before continuing';
	
	if (form.select.options[form.select.selectedIndex].value == '0-0') {
		message += '\n- You must select a category';
		errors++
	}
	if (form.title.value == '') {
		message += '\n- You must enter a title';
		errors++
	}	
	if (form.type.value == 2 && form.text.value == '') {
		message += '\n- You must add your content';
		errors++
	} else if (form.type.value == 3 && form.content.value == '') {
		message += '\n- You must add your content';
		errors++
	} else if (form.type.value == 1 && form.file.value == '') {
		message += '\n- You must select a file';
		errors++
	}
	if (form.type.value == 1 && form.file.value != '') {
		var extension = form.file.value.match(/(.*)\.(\w{3})$/);
		var extensions = new Array('jpg','jpeg','gif','png','JPG','GIF','JPEG','PNG');
		if (!extension || extensions.indexOf(extension[2]) == -1) {
			message += '\n- Invalid extension (' + extension[2] +') must be: png, jpg, gif only';
			errors++
		}
	}
	if (form.keywords.value == '') {
		message += '\n- You must add at least a keyword';
		errors++
	}
	if (!form.agreement.checked) {
		message += '\n- You must agree with our terms';
		errors++
	}
		
	if (errors > 0) {
		alert(message);
		return false; 
	} else return true;
}

function doEdit(div) {
	$S('content_' + div).display = 'none';
	$S('form_' + div).display = 'block';
}

function Comments(page, id) {
	actions.location = 'comments_page_' + page + '_' + id +'.html';
}

function doSave(div, closeOnly) {
	$S('form_' + div).display = 'none';
	$S('content_' + div).display = 'block';
	var edit_action = '';
	if (!closeOnly) {
		$('form_' + div).submit();
		if (div == 'keys') {
			var edited = $('txt_' + div).value;
			var text = '<strong onclick="doEdit(\'keys\')">Tags:</strong>  ';
			var words = edited.split((edited.indexOf(',',0) > -1) ? ',' : ' ');
			for (var i=0; i < words.length; i++) {
				text += ' <a href="' + $('queryurl').value + '' + words[i].replace(/^\s+|\s+$/g,"") + '"  class="big">' + words[i] + '</a>';
			}
			
			$('content_' + div).innerHTML = text + '' + edit_action;
			
		} else {
			if (div == 'description' && $('txt_' + div).value == '')  {
				$('content_' + div).innerHTML = 'Click here to add a description';
			} else {
				$('content_' + div).innerHTML = (div == 'title' ? '<h2>' : '') + $('txt_' + div).value + (div == 'title' ? '</h2>' : '');
			}
		}
	} else {
		$('form_' + div).reset();
	}
}

function doAll(theElement) {
	var theForm = theElement.form;
	var i = 0;
	for (i; i < theForm.length; i++) {
		if (theForm[i].type == 'checkbox' && theForm[i].name != 'checkall') {
			theForm[i].checked = theElement.checked;
		}
	}
}

function jumptoindex() {
	document.location = '/';
}

/* Atach to events */
window.onload = liveWidth;
document.onload = liveWidth;
window.onresize = liveWidth;
document.onresize = liveWidth;