// JavaScript Document

	var buttons=Array('index','oobservatorio','objetivosdomilenio','noticias','estudosepesquisas','mapainterativo','indicadores','contato');

	fundoMain = "#ffffff";

	function aoEntrar(){

		objeto=document.getElementById("main");

		objeto.style.fontSize='medium';

	}

	function alterarTam(operacao){

	var fontes = Array("xx-small","x-small","small","medium","large","x-large","xx-large");

	var elemento = document.getElementById("main");

	var tamAtual = elemento.style.fontSize;

	var tamFonte = tamAtual;

	if (operacao=="aumentar"){

		for (i=0;i<=6;i++){

			if (tamFonte!='xx-large'){

				if (tamFonte==fontes[i]){

					elemento.style.fontSize=fontes[i+1];

					if (tamFonte==fontes[i+1]){

						break;		

					}

				}

			}

		}		

	}

	if (operacao=="diminuir"){

		for (i=0;i<=6;i++){

			if (tamFonte!='xx-small'){

				if (tamFonte==fontes[i]){

					elemento.style.fontSize=fontes[i-1];

					if (tamFonte==fontes[i-1]){

						break;		

					}

				}

			}

		}		

	}

	

	}

	function contraste(){

		var main = document.getElementById("main");

		var menu = document.getElementById("menu");

		var links = document.getElementById("links");

		var corMain = main.style.color;

		var corLinks = links.style.color;

		this.fundoMain = main.style.background;

		var fundoMenu = menu.style.background;

		var fundoLinks = links.style.background;

		if ((corMain=="#ffffff")||(corMain=="#fff")||(corMain=="write")||(corMain=="rgb(255, 255, 255)")){

			for (i=0;i<this.buttons.length;i++)

			{

				document.getElementById(this.buttons[i]).src="docsPage1/btns/"+this.buttons[i]+".gif";

			}

			this.fundoMain="#fff";

			main.style.color="#000";

			menu.style.color="#FFF";

			links.style.color="#FFF";

			main.style.background="#FFF";

			menu.style.background="#BBD9F9";

			links.style.background="#BBD9F9";

		}

		else{

			for (i=0;i<this.buttons.length;i++)

			{

				document.getElementById(this.buttons[i]).src="docsPage1/btns/contraste/"+this.buttons[i]+".gif";

			}

			this.fundoMain="#000";

			main.style.color="#FFF";

			menu.style.color="#FFF";

			links.style.color="#FFF";

			main.style.background="#000";

			menu.style.background="#000";

			links.style.background="#000";	

			

		}

	}	

	function trocarOnMouse(elemento)

	{

		caminho=elemento.src;

		if ((this.fundoMain=="#000000")||(this.fundoMain=="#000")||(this.fundoMain=="black")||(this.fundoMain=="rgb(0, 0, 0)"))

		{

			document.getElementById(elemento.id).src='docsPage1/btns/contraste/'+elemento.id+'_onMouse.gif';	

		}

		if ((this.fundoMain=="#ffffff")||(this.fundoMain=="#fff")||(this.fundoMain=="write")||(this.fundoMain=="rgb(255, 255, 255)"))

		{

			document.getElementById(elemento.id).src='docsPage1/btns/'+elemento.id+'_onMouse.gif';	

		}

	}

	function trocarOnMouseOut(elemento)

	{

		var idMenu = document.getElementById("menu");

		var Menu = idMenu.style.backgroundcolor;

		caminho=elemento.src;

		if ((this.fundoMain=="#000000")||(this.fundoMain=="#000")||(this.fundoMain=="black")||(this.fundoMain=="rgb(0, 0, 0)"))

		{

			for (i=0;i<this.buttons.length;i++)

			{

				document.getElementById(this.buttons[i]).src="docsPage1/btns/contraste/"+this.buttons[i]+".gif";

			}		

		}

		else

		{

			for (i=0;i<this.buttons.length;i++)

			{

				document.getElementById(this.buttons[i]).src="docsPage1/btns/"+this.buttons[i]+".gif";

			}	

		}

	}