//*********************************************************//
//	aumenta e diminui as fontes de 
//  acordo com parāmetro passado
//*********************************************************//
function PS_resizeFonts(){
	if(document.getElementById("content_sesa")){		
		//
		function PS_setSize(obj, size){
			var arrObj = document.getElementById("content_sesa").getElementsByTagName(obj);
			for (var i = 0; i < arrObj.length; i++) arrObj[i].style.fontSize = size+"px";
		}		
		//
		document.getElementById("content_sesa").style.fontSize = tam[0]+"px";	
		PS_setSize("p",tam[0]);
		PS_setSize("td",tam[0]);
		PS_setSize("dt",tam[0]);
		PS_setSize("dd",tam[0]);
		PS_setSize("li",tam[0]);
		PS_setSize("h1",tam[1]);
		PS_setSize("h2",tam[2]);
		PS_setSize("h3",tam[3]);
		PS_setSize("h4",tam[4]);
		PS_setSize("h5",tam[5]);
		PS_setSize("h6",tam[6]);		
	}
}

// tamanhos iniciais das fontes
var tam  = [11,16,14,12,11,10,9];

function PS_increaseSize(type){	
	for(var i = 0; i < tam.length; i++)	
		(type == "mais") ? tam[i]++ : tam[i]--;		
}

//
function PS_changeFont(type){
	(type == "mais") ? PS_increaseSize("mais") : PS_increaseSize("menos");	
	PS_resizeFonts();	
}