// Abre Popup
function ShowPopupEnquete(idenque)
{
	window.open('GetEnquete.aspx?prix=' + idenque, 'enquete', 'width=450, height=440, resizable=no, scrollbars=yes, disabletop=y');
}

//Popup Custom
function OpenPopUp(URL,DES,SET)
{
    window.open(URL, DES, SET) 
}

// Tamanho da letra
function changeFontSizeAumentar() {
	var c = document.getElementById('texto_alt');
	if(c.style.fontSize == '' || c.style.fontSize == 'small')
	{
		c.style.fontSize = 'small';
		createCookie('fontSize','x-small',30);
	} else if(c.style.fontSize == 'medium')
	{
		c.style.fontSize = 'x-small';
		createCookie('fontSize','x-small',30);
	} else {c.style.fontSize = 'small';
		createCookie('fontSize','small',30);
	}
}

function changeFontSizeDiminuir() {
	var c = document.getElementById('texto_alt');
	if(c.style.fontSize == '' || c.style.fontSize == 'x-small')
	{
		c.style.fontSize = 'x-small';
		createCookie('fontSize','small',30);
	} else if(c.style.fontSize == 'small')
	{
		c.style.fontSize = 'x-small';
		createCookie('fontSize','x-small',30);
	} else {c.style.fontSize = 'medium';
		createCookie('fontSize','medium',30);
	}
}

function verifyFontSize() {
	var cookie = readCookie('fontSize')
	
	if(cookie) {
		document.getElementById('texto_alt').style.fontSize = cookie;
	}
}

function createCookie(name, value, days) {
	if(days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	} 
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0; i<ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}