function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {

	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {

		preloadFlag = true;
	}
}


function verify( oForm )
{
	var valid = true;
	
	if (oForm.callcenter.options[oForm.callcenter.selectedIndex].value == '')
	{
		alert('Please select a Call Center');
   		oForm.callcenter.focus();
		valid = false;
	}
	else if (Trim( oForm.employeeid.value).length == 0 )
	{
		alert( 'Please enter your Employee ID' );
		oForm.employeeid.focus();
		valid = false;
	}
	else if (Trim(oForm.callcenteremail.value).length == 0 || !checkemail( oForm.callcenteremail.value ) )
	{
	    alert('Plese enter a valid Call Center Email address');
    	oForm.callcenteremail.focus();
		valid = false;
	}
	else if (Trim(oForm.customeremail.value).length == 0 || !checkemail( oForm.customeremail.value ) )
	{
	    alert('Plese enter a valid Customer Email address');
    	oForm.customeremail.focus();
		valid = false;
	}
	
	
	
	return valid;
	
}



function checkemail( email )
{
    var str=email
	
    var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
    if (filter.test(str))
	{
        testresults=true
	}
    else
    {
        testresults=false
    }
 
    return (testresults)
}



//basic function to trim off extra white space
function Trim(StringToTrim) {
	if (StringToTrim.charAt(0) == ' ') {
		for (var i = 0; i < StringToTrim.length; i++) {
			if (StringToTrim.charAt(i) != ' ') {
				break;
			}
		}
		StringToTrim = StringToTrim.substring(i, StringToTrim.length)
	}
	if (StringToTrim.charAt(StringToTrim.length - 1) == ' ') {
		for (i = StringToTrim.length - 1; i > 0; i--) {
			if (StringToTrim.charAt(i) != ' ') {
				break;
			}
		}
		StringToTrim = StringToTrim.substring(0, i + 1);
	}
	return StringToTrim;
}

function popupSchedule(channel)
{
	theUrl = "/schedule/index.php?id=" + channel;
	window.open(theUrl, channel, "width=635,height=500,location=no,menubar=no,resizeable=no,scrollbars=yes,status=no,toolbar=no");
}