//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 startSz = 2;

//***************************************************************//
    function ts( 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 > 6 ) sz = 6;
        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 ];
        }
    }


//***************************************************************//
    // blanks out text boxes
    function make_blank( trgt ) 
    {    trgt.value ="";    }
//***************************************************************//
    //fills textbox with value supplied
    function fill_text( trgt, text )
    {    trgt.value = text; }