var win = null;
function openWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no'
	win = window.open(mypage,myname,settings)
}

function submituser(){
	document.userbox.submit();
}
function submituser2(){
	document.userbox2.submit();
}
function submitbuscar(){
	document.buscador.submit();
}