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

//Specify spectrum of different font sizes:
//var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var szs = new Array( '10px','12px','14px','17px');
var startSz = 1;

function ts( trgt,offset ) {
	if (!document.getElementById) return
		var d = document,cEl = null,sz = startSz,i,j,cTags;
		
		//sz += inc;
		//if ( sz < 0 ) sz = 0;
		//if ( sz > 6 ) sz = 6;
		//startSz = sz;
		startSz = offset;
		
		if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];
		
		cEl.style.fontSize = szs[ startSz ];
		
		for ( i = 0 ; i < tgs.length ; i++ ) {
			cTags = cEl.getElementsByTagName( tgs[ i ] );
				for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ startSz ];
		}
		
		if ( !( cEl = d.getElementById( "breadcrumbs" ) ) ) cEl = d.getElementsByTagName( "breadcrumbs" )[ 0 ];
		
		cEl.style.fontSize = szs[ startSz ];
		
		for ( i = 0 ; i < tgs.length ; i++ ) {
			cTags = cEl.getElementsByTagName( tgs[ i ] );
				for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ startSz ];

		}
}