var arFontSize = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );

	var startSize = 2;

	

	var tags = new Array('p','font', 'div','td','tr', 'a', 'span', 'h2', 'h1', 'h3');

	

	function changeTextSize( target,inc ) {

		if (!document.getElementById) return

		var d = document,cEl = null,size = startSize,i,j,cTags;

		

		size += inc;

		if ( size < 0 ) size = 0;

		if ( size > 6 ) size = 6;

		startSize = size;

			

		if ( !( cEl = d.getElementById( target ) ) ) cEl = d.getElementsByTagName( target )[ 0 ];

	

		cEl.style.fontSize = arFontSize[ size ];

	

		for ( i = 0 ; i < tags.length ; i++ ) {

			cTags = cEl.getElementsByTagName( tags[ i ] );

			 for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = arFontSize[ size ];
			
			// for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize =  cTags[ j ].style.fontSize + 1;

		}

	}