var tgs = new Array( 'div');
var szs = new Array( 'x-small','small','medium','large');
var startSz = 0;
function ft( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 3 ) sz = 3;
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

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

function openWindow(sLocation,sName,nWidth,nHeight,tipo)
{
	if (tipo==1) 
		var oWin = window.open(sLocation,sName,"toolbar=1,directories=1,location=1,menubar=1,status=1,scrollbars=1,resizable=1,width=" + nWidth + ",height=" + nHeight);
	else
		var oWin = window.open(sLocation,sName,"status=0,resizable=0,scrollbars=1,width=" + nWidth + ",height=" + nHeight);

	if (oWin.opener == null)
		oWin.opener = self;
	oWin.focus();
	return;
}
function galeria(num)
{
	var oWin = window.open("galeria_pop.asp?g="+num,"","status=0,resizable=0,scrollbars=0,width=728,height=583");
	if (oWin.opener == null)
		oWin.opener = self;
	oWin.focus();
	return;
}