function buttonProcess(id, idImage, idForm)
	{
		if (idForm != null)
			disableElements(idForm);
		
		document.getElementById(id).disabled = true;
		
		loadingImage = 'images_layout/icon/icon_button_load.gif';
		document.getElementById(idImage).src = loadingImage;
		
		return true;
	}
	
	function buttonNormal(id, idImage, image, idForm)
	{		
		if (idForm != null)
			enableElements(idForm);
		
		document.getElementById(idImage).src = image;
		document.getElementById(id).disabled = '';
		
		return true;
	}
	
	function disableElements(formName)
	{
		formElement 	= document.getElementById(formName);
		totalElements 	= formElement.length;
		
		for(x=0;x<totalElements;x++)
		{
			formElement.elements[x].disabled = true;
		}
	}

	function enableElements(formName)
	{
		formElement 	= document.getElementById(formName);
		totalElements 	= formElement.length;
		
		for(x=0;x<totalElements;x++)
		{
			formElement.elements[x].disabled = false;
		}
	}
	
	function changeLanguage(language)
	{
		window.location = '?key=login&action=change_language&language=' + language;
		return false;
	}