/**** AUMENTA/DIMINUI FONTE ****/
//Specify spectrum of different font sizes:
var szs = new Array( '11px','12px','15px','18px','21px' );
var startSz = 0;

function ts( trgt,inc ) {
	if (!document.getElementById) return
	
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	
	sz += inc;
	if ( sz < 1 ) sz = 0;
	if ( sz > 24 ) sz = 24;
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0; i < 12; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0; j < cTags.length; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
	} }

//Specify affected tags. Add or remove from list:
var tgs = new Array( 'texto','div');


/************************************************************************************/