// JavaScript Document

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++)
		var i,j=d.MM_p.length,a=(arguments ? arguments : 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)
	var i,j=0, x, a=(arguments ? arguments : 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 toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function mostra(obj) {
	var el = document.getElementById(obj);
	el.style.display = '';

}

function esconde(obj) {
	var el = document.getElementById(obj);
	el.style.display = 'none';

}

function mudaClass(obj, c) {
	var el = document.getElementById(obj);
	el.className = c;
}

    HintTextField = function(campo, texto){
       var cmp = $(campo);
       var text = texto;
       
       if(cmp.value.length == 0)
          cmp.value = text;
       
       if(cmp.value == text)
          cmp.addClass('faded');
          
       cmp.addEvent("focus", focused);
       cmp.addEvent("blur", blured);
       if(cmp.form){
          $(cmp.form).addEvent('submit', function(){
                if(cmp.value == texto)
                   cmp.value = '';
                   return true;
          });
       }
       
       function focused(){
          if(this.value == text){
             this.value = "";
             this.removeClass("faded");
          }   
       }
       function blured(){
          if(this.value == ""){
             this.value = text;
             this.addClass("faded");
          }   
       }
    }

HintPassword = function(campo, texto){
	 var realPass = $(campo);
	 var text = texto;
	 var nomeCampo = realPass.name;
	 
	 var fakePass = new Element('input', {
				 'type': 'text',
				 'name': 'fake' + nomeCampo,
				 'id': 'fake' + nomeCampo,
				 'value': texto,
				 'class': 'faded'
	 });
	 
	 if(realPass.form){
			realPass.form.addEvent('submit', function(){
						if(realPass.value == texto)
							 realPass.value = '';
							 return true;
			});
	 }
	 
	 
	 fakePass.addEvent('focus', function(){
			this.setStyle('display', 'none');
			realPass.setStyle('display', 'inline');
			realPass.focus();
	 });

	 realPass.addEvent("blur", function(){
			if(this.value.length == 0){
				 this.setStyle('display', 'none');
				 fakePass.setStyle('display', 'block');
			}
	 });
	 
	 fakePass.inject(realPass, 'before');
	 realPass.setStyle('display', 'none');
}

function toggleSlideUpPanel(obj, height){
	
	if($(obj).getStyle('display') == 'block'){
		
		var myFx = new Fx.Tween(obj);
		myFx.start('margin-top', 0);
		var myFx2 = new Fx.Tween(obj);
		myFx2.start('height', 0);			
		obj.setStyles({display: "none"});			

	}
	else{

		obj.setStyles({display: "block"});	
		var myFx = new Fx.Tween(obj);
		myFx.start('margin-top', -(height));
		var myFx2 = new Fx.Tween(obj);
		myFx2.start('height', height);
		
	}
}