function cargarMSP(){
				var t1, contenedor;
				t1 = document.getElementById('ciudad').value;
				contenedor = document.getElementById('mspdiv');
				contenedor.innerHTML= 'Cargando...<img src="images/frontend/load.gif">';
				ajax=newAjax();
				ajax.open("POST", "msphelper.php",true);
				ajax.onreadystatechange=function() {
					if (ajax.readyState==4) {
						contenedor.innerHTML = ajax.responseText
				 	}
				}
				ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajax.send("t1="+t1);				
}

function cargarDealers(){
				var t1, contenedor;
				t1 = document.getElementById('ciudad').value;
				contenedor = document.getElementById('mspdiv');
				contenedor.innerHTML= 'Cargando...<img src="images/frontend/load.gif">';
				ajax=newAjax();
				ajax.open("POST", "dealershelper.php",true);
				ajax.onreadystatechange=function() {
					if (ajax.readyState==4) {
						contenedor.innerHTML = ajax.responseText
				 	}
				}
				ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajax.send("t1="+t1);				
}