function popupWindow(url) {

	var h = 340;
	var w = 385;

	var t = (screen.height/2)-(h/2);
	var l = (screen.width/2)-(w/2);

	window.open (url, "popupWindow","status=0,toolbar=0,location=0,menubar=0,resizable=1,scrollbars="+scroll+",height="+h+",width="+w+",top="+t+",left="+l);

}


function navMouseOver(i,n) {
	var x=0;
	for (x=1;x<=n;x++) {
		if (x==i) {
			$('expl'+x).setStyle('display','inline');
		} else {
			$('expl'+x).setStyle('display','none');
		}
	}
}

function navMouseOut(n) {
	var x=0;
	for (x=1;x<=n;x++) {
		$('expl'+x).setStyle('display','none');
	}
}

function sendDropdown() {

	if ($('dropdown_list').getStyle('visibility')=='hidden') {
		$('dropdown_list').setStyle('visibility','visible');
		$('dropdown_list').setStyle('overflow','auto');
	} else {
		$('dropdown_list').setStyle('visibility','hidden');
		$('dropdown_list').setStyle('overflow','hidden');
	}

}

function doSubmit(scroll) {

	var h = 520;
	var w = 385;

	var t = (screen.height/2)-(h/2);
	var l = (screen.width/2)-(w/2);

	window.open ("", "sendWindow","status=0,toolbar=0,location=0,menubar=0,resizable=1,scrollbars="+scroll+",height="+h+",width="+w+",top="+t+",left="+l);

	document.sendForm.submit();

}

function sendSubmit() {

	var checkboxes = $$("#sendForm .chkbox");
	var any_checked = 0;		
	checkboxes.each(function(checkbox, i) {
		if (checkbox.checked) {
			any_checked=1;
		}
	});
	
	if (any_checked==1) {
		$('dropdown_list').setStyle('visibility','hidden');
		$('dropdown_list').setStyle('overflow','hidden');
		doSubmit(0);
	} else {
		alert("Please select at least one recipient for this video message.");
	}

}