// JavaScript Document
function aumentarZoom(){
	if (window.parent.document.style.zoom!=undefined && window.parent.document.body.style.zoom!=0) {
		window.parent.document.style.zoom*=1.2;
	}else{
		window.parent.document.style.zoom=1.2;
	}
}

function zerarZoom() {
	window.parent.document.style.zoom=1;
}

function diminuirZoom() {
	if(window.parent.document.body.style.zoom!=undefined && window.parent.document.body.style.zoom!=0) {
		window.parent.document.body.style.zoom/=1.2;
	}else{
		window.parent.document.body.style.zoom=1/1.2;
	}
}