function GuiHelper() {}

GuiHelper.setCssClass = function(obj, css) {
	obj.className = css;
}

GuiHelper.hide = function(obj) { 
	obj.style.display 		= "none";
	obj.style.visibility 	= "hidden";
}

GuiHelper.show = function(obj) { 
	obj.style.display 		= "block";
	obj.style.visibility 	= "visible";
}

GuiHelper.removeContents = function(obj) {
	obj.innerHTML = "";
}