function processPrevious(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 > 13 ) sz = 14;
    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 processNext(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 > 13 ) sz = 14;
    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 restore(trgt,inc) {

    if (!document.getElementById) return
    var d = document,cEl = null,sz = startSz,i,j,cTags;
    
    sz = 4;
    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 ];
    }
}

var tgs = new Array( 'div','table','p','a','strong','td','tr','span');

var szs = new Array( '10px','11px','12px','13px','14px','16px','18px','20px','22px','26px','30px' );

var startSz = 4;