function refreshContainer(Container, Url, DivName, Data) {
	element = document.getElementById(Container);
	//element.src = Url + "?divName=" + DivName + Data;
	
	try {
		document.frames[Container].location.replace(Url + "?divName=" + DivName + Data);		
	}catch (er){
		document.getElementById(Container).contentDocument.location.replace(Url + "?divName=" + DivName + Data);	
	}
	
}

function selectServEmpresa() {
	objSel = document.getElementById("categnivel2_id");
	id = objSel.options[objSel.selectedIndex].value;
	
	container = "frameServEmp";
	url = "coServicos.jsp";
	divname = "divEmpresasServicos";
	data = "&categoria_id=" + id;
	
	refreshContainer(container, url, divname, data);

}