/*
	Textarea Resizer 0.1
	Allows the user to expand and shrink the height of HTML textareas
	by Chris Barr of Eject Media - http://ejectmedia.net
*/
var textareaSizer = {
	init: function(){
		//options
		tbResizeAmount = 100;				//amount each button press will resize by
		tbResizeDuration = 1000;				//how long each resize takes
		tbResizeTransition = Fx.Transitions.Expo.easeOut; //the transition :P
		tbMinSize = 50; 					//always leave a min size or it looks strange
		tbMaxSize = 250;					//set to 0 for no maximum
		tbDescription = '';	//text to display next to the buttons
		tbSkipClass = 'nogrow';				//a class defined on textareas that you do NOT want to resize
		
		//make new arrays of elements
		tbEffects = [];
		tbGrowers = [];
		tbShrinkers = [];
		
		//select each textarea without the class to skip
		$$('textarea').each(function(el,i){
			if (!el.hasClass(tbSkipClass)){
				textareaSizer.makeButtons(el,i);
			}					 					 
		});
	},
	makeButtons: function(textbox,i){
		//create the elements
		wrapper = new Element('div').addClass('tbSizeChanger').setStyle('width',textbox.getStyle('width')).injectAfter(textbox);
		tbGrowers[i] = new Element('a').setStyles({'float':'right','display':'block'}).setProperty('href','#').addClass('tbLarger').injectInside(wrapper).setHTML('grow');
		tbShrinkers[i] = new Element('a').setStyles({'float':'right','display':'block'}).setProperty('href','#').addClass('tbSmaller').injectInside(wrapper).setHTML('shrink');
		new Element('div').addClass('tbSizeText').setHTML(tbDescription).setStyle('float','right').injectInside(wrapper);
		new Element('div').setStyle('clear','both').injectInside(wrapper);
		//create new effect
		tbEffects[i] = new Fx.Style(textbox, 'height', {duration: tbResizeDuration ,transition: tbResizeTransition});
		//add click events
		tbGrowers[i].addEvent('click', function(ev){
			new Event(ev).stop();
			toSize = textbox.getStyle('height').toInt()+tbResizeAmount;
			if(toSize >= tbMaxSize && tbMaxSize !=0){
				tbEffects[i].start(tbMaxSize);
			}else{
				tbEffects[i].start(toSize);
			}
		});
		tbShrinkers[i].addEvent('click', function(ev){
			new Event(ev).stop();
			toSize = textbox.getStyle('height').toInt()-tbResizeAmount;
			if(toSize <= tbMinSize){
				tbEffects[i].start(tbMinSize);
			}else{
				tbEffects[i].start(toSize);
			}
		});
	}
};
window.addEvent('domready', textareaSizer.init.bind(textareaSizer));



function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
	
function changeLinkText(theEl,theText)	{
	document.getElementById(theEl).innerHTML=theText
}

function confirmDelete()
{
  if (confirm('Are you sure you want to delete this forever and ever amen?')==true)
    return true;
  else
    return false;
}