/*------------------------------------------------------------

	Document Text Sizer- Copyright 2003 - Taewook Kang.  All rights reserved.

--------------------------------------------------------------*/



//Specify affected tags. Add or remove from list:

var tgs = new Array( 'div','td','tr','h1');



//different font sizes:

var szs = new Array( '11','12','13','14','15','16','17');

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 ];

	}

}





//trocar cor de fundo e fonte



function setActiveStylesheet(title) {

	linksFound = document.getElementsByTagName("link")

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

		thisLink = linksFound[i]

    	if (thisLink.getAttribute("rel").indexOf("style") > -1 && thisLink.getAttribute("title")) {

			thisLink.disabled = true

			if (thisLink.getAttribute("title") == title) {

				thisLink.disabled = false

			}

		}

	}

}



function getActiveStylesheet() {

	linksFound = document.getElementsByTagName("link")

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

		thisLink = linksFound[i]

    	if (thisLink.getAttribute("rel").indexOf("style") > -1 && thisLink.getAttribute("title") && !thisLink.disabled) {

			return thisLink.getAttribute("title")

		}

	}

}



function getPreferredStylesheet() {

	linksFound = document.getElementsByTagName("link")

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

		thisLink = linksFound[i]

		if (thisLink.getAttribute("rel").indexOf("style") > -1 && thisLink.getAttribute("rel").indexOf("alt") == -1 && thisLink.getAttribute("title")) {

		 	return thisLink.getAttribute("title")

		}

	}

}