var sel_arr = new Array();
sel_arr = document.getElementsByTagName('select');

function navFocus() {
	n = document.getElementById('main_nav');
	if (n) n.focus();
}

function navOpen() {
	document.getElementById('nav').setAttribute('height', 286);
	document.getElementById('nav').style.zIndex = 200;
	//for (i = 0; i < sel_arr.length; i++) sel_arr[i].style.visibility = 'hidden';
	//alert(document.getElementById('nav').style.height);
}

function navClose() {
	document.getElementById('nav').setAttribute('height', 50);
	//for (i = 0; i < sel_arr.length; i++) sel_arr[i].style.visibility = '';
	//alert(document.getElementById('nav').style.height);
}

var isInternetExplorer = navigator.appName.indexOf("Microsoft") != -1;
// Handle all the FSCommand messages in a Flash movie.
function nav_DoFSCommand(command, args) {

	var navObj = isInternetExplorer ? document.all.main_nav_swf : document.main_nav_swf;

	if (command == 'navOpen') {
		navOpen();
	} else if (command == 'navClose') {
		navClose();
	}

}
// Hook for Internet Explorer.
if (navigator.appName && navigator.appName.indexOf("Microsoft") != -1 && navigator.userAgent.indexOf("Windows") != -1 && navigator.userAgent.indexOf("Windows 3.1") == -1) {
	document.write('<script language=\"VBScript\"\>\n');
	document.write('On Error Resume Next\n');
	document.write('Sub nav_FSCommand(ByVal command, ByVal args)\n');
	document.write('	Call nav_DoFSCommand(command, args)\n');
	document.write('End Sub\n');
	document.write('</script\>\n');
}

function externallinks()
{
    var c=document.getElementById('wrapper');
    if(c)
    {
        var ls=c.getElementsByTagName('a');
        for(var i=0;i<ls.length;i++){
            if(ls[i].getAttribute('rel')=='external')
            {
                ls[i].title+=' (opens in new window)';
                ls[i].onclick=function(){window.open(this.href);return false}
            }
        }
    }
}


window.onload=function(){
    if(!document.getElementById && !document.createTextNode){return;}
    externallinks();
}


var do_cal = function(dt_s, dt_e, cl) {

	if(!cl) cl = '#C2E1E7';
	if(!dt_e) dt_e = dt_s;

	var i = dt_s;

	do {
		document.getElementById('calday_'+i).style.background = cl;
		i++;
	} while( i <= dt_e);

}

function openWinCentered(mypage, myname, w, h, scroll, resize) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize;
	return window.open(mypage, myname, winprops)
}