function tama(tamano){
top.document.getElementById('mainfr').style.height=tamano + 'px';
}
/*function spacero(tamnum){

if (tamnum > 562) {
	tamnum = tamnum - 562;
	top.document.getElementById('spacer').style.height=tamnum;
	} else {
	tamnum = 27;
	top.document.getElementById('spacer').style.height=tamnum;
	}
}
*/