//	by Martín Acuña Lledó <martin@nosbase.com> - http://www.nosbase.com
//	05/25/06

var procFlag = 0;
function changeCssClass(elm,cssClass){
	var actClass = '';
	if ((actClass = Element.classNames(elm)) != cssClass){
		Element.removeClassName(elm,actClass);
		Element.addClassName(elm,cssClass);
	}	
}

function showE(e){
	if ($(e).style.display == 'none'){
		new Effect.Appear(e);
	}
	return(false);
}
	

function hideE(e){
	if ($(e).style.display != 'none'){
		new Effect.Fade(e);
	}
	return(false);
}

function showHideE(e){
	if ($(e).style.display == 'none'){
		showE(e);
	}else{
		hideE(e);
	}
	return(false);
}

function changeTabs(tab2Hide,tab2Show){	
     new Effect.Parallel([
	        new Effect.Fade(tab2Hide, {duration: 0}),
	        new Effect.Appear(tab2Show, {duration: 1})
      ], {
      	  afterFinish: (function() {
      	  	procFlag = 0;	
      	  })	        	        
      })
      return(false);	
}