function tab(clsSelected,clsNotSelected,txtItem,txtItemHide) {
	
	var clsSelected = clsSelected;
	var clsNotSelected = clsNotSelected;
	var txtItem = txtItem;
	var txtItemHide = txtItemHide;
	
	this.oneTab = function(id,elmt)
	{
		var view = document.getElementById(id);
		//var txt = elmt.innerHTML;

		if(view.style.display == "none")
		{
			view.style.display = 'block';
			elmt.className = clsSelected;
			//elmt.innerHTML = txt.replace(txtItem,txtItemHide);	
			elmt.innerHTML = txtItemHide;
		}
		else
		{
			view.style.display = 'none';
			elmt.className = clsNotSelected;
			//elmt.innerHTML = txt.replace(txtItemHide,txtItem);
			elmt.innerHTML = txtItem;
		}
	};
}