function SetHomePage() {
    var agt=navigator.userAgent.toLowerCase();
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) );
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) && (agt.indexOf("msie 6")==-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );

 if (is_win && is_ie5up) {
		oHomePage.style.behavior='url(#default#homepage)';
		oHomePage.setHomePage('http://www.cm-mertola.pt');
	}
}

function addToFavorite(){
  if ((navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4)) {
    window.external.AddFavorite("http://www.cm-mertola.pt", unescape('CM Mertola'));
  }
}

function DownloadFile(filename, fileurl) 
{
	var ifr_src = 'download.asp?filename=' + escape(filename) + '&fileurl=' + escape(fileurl);
	var ifr = document.getElementById('ifrDownload');
	
	if (!ifr) return
	ifr.src = ifr_src;
}

function Vote(frm, Id, op) 
{
	var v, i, vote
	var v= 0;

	var cookiename = "poll" + Id;
	
	if (op == 1 && frm != null)
	{		
		vote=-1;
		for (i = 0; i <= frm.Vote.length - 1; i++) {
			if (frm.Vote[i].checked) 
			{
				v = 1; 
				vote = frm.Vote[i].value
			}
		}
		if (vote==-1) return;
	}
	
	if (op > 0 && readCookie(cookiename) == 1) {
		var url = 'default.asp?SqlPage=poll&CpPollId=' + Id + '&CpPollResultId=' + vote + '&Checked=1';
		window.open(url, "windowpoll", "screenX=50,screenY=50,width=415,height=265,resizable=0,scrollbars=1,dependent=0")
		return
	}
	
	if (op > 0 && frm == null) {
		v = 1;
		vote = op;
	}

	if (v == 1) 
	{
		writeCookie(cookiename, 1, 100000);
		var url = 'default.asp?SqlPage=poll&CpPollId=' + Id + '&CpPollResultId=' + vote  + '&Checked=0';
		window.open(url, "windowpoll", "screenX=50,screenY=50,width=415,height=265,resizable=0,scrollbars=1,dependent=0")
	}
	else 
	{
		var url = 'default.asp?SqlPage=poll&CpPollId=' + Id;
		window.open(url, "windowpoll", "screenX=50,screenY=50,width=415,height=265,resizable=0,scrollbars=1,dependent=0")
	}
}		


function readCookie(name) 
{

	var namearg = name + "=";
	var nlen = namearg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + nlen;
		if (document.cookie.substring(i, j) == namearg) {
			var endpos = document.cookie.indexOf (";", j);
			if (endpos == -1) endpos = document.cookie.length;
			return unescape(document.cookie.substring(j, endpos));
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

function writeCookie(name, value, expiry) {
	var expdate = new Date();
	if(expiry) { //horas
		expdate.setTime(expdate.getTime() + 1000 * 60 * 60 * expiry);
		document.cookie = name + "=" + escape(value) + "; expires=" + expdate.toGMTString();
	}
	else {
		document.cookie = name + "=" + escape(value);
	}
}

function deleteCookie(name) {
   if (readCookie(name)) {
     document.cookie = name + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
   }
}