var image1 = new Image();
image1.src = "images/projector1.png";
var image2 = new Image();
image2.src = "images/projector2.png";

function roll(img_id, img_src)
{
	if (navigator.platform != "iPhone" && navigator.platform != "iPod" && navigator.platform != "iPhone Simulator")
		document.getElementById(img_id).style.backgroundImage = "url('" + img_src + "')";
}

function checkVal()
{
	var x = document.forms["form"]["feedtype"].value;
	if (x == 0)
	{
		document.getElementById('field').innerHTML = ": <input type=\"text\" name=\"othertype\" value=\"Enter a custom type\" onfocus=\"remTxt('othertype', 'Enter a custom type')\" onblur=\"putTxt('othertype', 'Enter a custom type')\">";
		document.forms["form"]["othertype"].style.color = "gray";
	}
	else if (x == -1)
	{
		alert("Please select a valid feedback type.");
		document.getElementById('field').innerHTML = "";
	}
	else
		document.getElementById('field').innerHTML = "";
}
function remTxt(name, txt)
{
	var x = document.forms["form"][name];
	if (x.value == txt)
	{
		x.value = "";
		x.style.color = "black";
	}
}
function putTxt(name, txt)
{
	var x = document.forms["form"][name];
	if (x.value == null || x.value =="" || x.value == " ")
	{
		x.style.color = "gray";
		x.value = txt;
	}
}
function checkForm()
{
	var ans = new Boolean();
	ans = true;
	var type = document.forms["form"]["feedtype"].value;
	if (type == 0) var other = document.forms["form"]["othertype"].value;
	var body = document.forms["form"]["feedback"].value;
	
	if (type == -1)
	{
		alert("Please choose a valid feedback type and re-submit the form.");
		ans = false;
	}
	else if (type == 0 && (other == null || other == "" || other == "Enter a custom type"))
	{
		alert("Please enter a custom feedback type or select a different feedbak type and re-submit the form.");
		ans = false;
	}
	else if (body == null || body == "")
	{
		var feedType = new String();
		switch (type)
		{
			case "1":
				feedType = "a comment";
				break;
			case "2":
				feedType = "a complaint";
				break;
			case "3":
				feedType = "a suggestion"
				break;
			case "4":
				feedType = "some information about the missing content";
				break;
			default:
				feedType = "some feedback";
				break;
		}
		alert("Please include " + feedType + " and re-submit the form.");
		ans = false;
	}
	return ans;
}
function times()
{
	var fri1 = "4:30";
	var fri2 = "7:00";
	var fri3 = "9:30";
	var fri4 = "";
	
	var sat1 = "4:30";
	var sat2 = "7:00";
	var sat3 = "9:30";
	var sat4 = "";
	
	var sun1 = "4:30";
	var sun2 = "7:00";
	var sun3 = "9:30";
	var sun4 = "";
	
	var mon1 = "4:30";
	var mon2 = "7:00";
	var mon3 = "";
	var mon4 = "";
	
	var mon2_1 = "";
	var mon2_2 = "";
	var mon2_3 = "";
	var mon2_4 = "";
	
	var tue1 = "4:30";
	var tue2 = "7:00";
	var tue3 = "";
	var tue4 = "";
	
	var tue2_1 = "";
	var tue2_2 = "";
	var tue2_3 = "";
	var tue2_4 = "";
	
	var wed1 = "4:30";
	var wed2 = "7:00";
	var wed3 = "";
	var wed4 = "";
	
	var wed2_1 = "";
	var wed2_2 = "";
	var wed2_3 = "";
	var wed2_4 = "";
	
	var thu1 = "4:30";
	var thu2 = "7:00";
	var thu3 = "";
	var thu4 = "";
	
	var thu2_1 = "";
	var thu2_2 = "";
	var thu2_3 = "";
	var thu2_4 = "";
	
	var x = document.getElementById("choose").value;
	var one = document.getElementById('showtime1');
	//var two = document.getElementById('showtime2');
	//var three = document.getElementById('showtime3');
	
	if (x == 1)
	{
		//one.innerHTML = fri1 + " &amp; " + fri2 + " PM";
		one.innerHTML = fri1 + ", " + fri2 + " &amp; " + fri3 + " PM";
		//two.innerHTML = fri2 + " PM";
		//three.innerHTML = fri1 + ", " + fri2 + " &amp; " + fri3 + " PM";
	}
	else if (x == 2)
	{
		one.innerHTML = sat1 + ", " + sat2 + " &amp; " + sat3 + " PM";
		//two.innerHTML = sat1 + " &amp; " + sat3 + " PM";
		//three.innerHTML = sat1 + ", " + sat2 + ", " + sat3 + " &amp; " + sat4 + " PM";
	}
	else if (x == 3)
	{
		one.innerHTML = sun1 + ", " + sun2 + " &amp; " + sun3 + " PM";
		//two.innerHTML = sun1 + " &amp; " + sun3 + " PM";
		//three.innerHTML = sun1 + ", " + sun2 + ", " + sun3 + " &amp; " + sun4 + " PM";
	}
	else if (x == 4)
	{
		one.innerHTML = mon1 + " &amp; " + mon2 + " PM";
		//two.innerHTML = mon2 + " PM";
		//three.innerHTML = mon2_1 + ", " + mon2_2 + " &amp; " + mon2_3 + " PM";
	}
	else if (x == 5)
	{
		//one.innerHTML =  tue1 + " PM";
		//one.innerHTML = tue1 + " &amp; " + tue2 + " PM";
		one.innerHTML = tue1 + " &amp; " + tue2 + " PM";
		//two.innerHTML = tue2 + " PM";
		//three.innerHTML = tue2_1 + " &amp; " + tue2_2 + " PM";
	}
	else if (x == 6)
	{
		//one.innerHTML = wed1 + " &amp; " + wed2 + " PM";
		one.innerHTML = wed1 + " &amp;  " + wed2 + " PM";
		//two.innerHTML = wed2 + " PM";
		//three.innerHTML = wed2_1 + " &amp; " + wed2_2 + " PM";
	}
	else if (x == 7)
	{
		//one.innerHTML = thu1 + " &amp; " + thu2 + " PM";
		one.innerHTML = thu1 + " &amp;  " + thu2 + " PM";
		//two.innerHTML = thu2 + " PM";
		//three.innerHTML = thu2_1 + " &amp; " + thu2_2 + " PM";
	}
	else
	{
		one.innerHTML = "";
		//two.innerHTML = "";
		//three.innerHTML = "";
	}
}