// Standard boonfellow scripts that may be useful for sts project
		
function ConditionalString(Html,WriteType) {

	var Result             = "";
	var IsNavFour          = IsNavigatorFour();



	if ((IsNavFour==true) && (WriteType=="NN4")) {
		Result = Html;
	} else {
		if ((IsNavFour==false) && (WriteType!="NN4")) {
			Result = Html;
		}
	}

	return Result;


}

function IsNavigatorFour() {
	
	var Result = false;
	if (parseInt(navigator.appVersion.charAt(0)) < 5) {
	   if (navigator.appVersion.indexOf("MSIE") < 0) {
		Result=true;
	   }
	}
	
	return Result;
	
}


function VerifyDelete(FormName) {

	if (confirm('Are you sure you want to DELETE this record?')) {
		document.forms[FormName].action = document.forms[FormName].action + '&del=1';
		document.forms[FormName].submit();
    } else {
		return 0;
    }

}


function ValidateForm(FormName) {

	var ErrorMessage = '';
	var ErrorFlag = false;

	
	
	var ManFld = eval('document.' + FormName + '.MANDATORYFIELDS.value') ;
	
	
	
	if (ManFld != '') {
		var arrManFld = ManFld.split(",");
		var ItemCount = arrManFld.length
	
		for (var i = 0; i < ItemCount; i++) {
			var Test = eval('document' + '.' + FormName + '.' + arrManFld[i] + '.value') ;
			if (Test=="") {
				ErrorMessage = ErrorMessage + '\n' + arrManFld[i] + ' is a mandatory field';
				ErrorFlag = true;
			}
			
		}
	}
	
		
	if (ErrorFlag == true) {
		ErrorMessage = 'Your information contains the following errors:' +  ErrorMessage;
		alert(ErrorMessage);
		return 0;
	} else {
		document.forms[FormName].submit();
	}
}

function SwapImage(TargetName,ArrayName,Index) {
	var Img = eval(ArrayName + '[' + Index + '].src'); 
	document.images[TargetName].src = Img;
}

function ComboOnChangeGo(FormName,ControlName) {

	
	// Following doesnt work under Netscape, with Form being a form object, changed to FormName as literal
	//var Selected = Form[ControlName].selectedIndex;
	//var strResult = Form[ControlName].options.value;
	
	var control = eval('document.forms.' + FormName + '.' + ControlName);
	var strResult = control[control.selectedIndex].value;
	
	

	
	
	if (strResult != '') {
		location.href = strResult;
	} else {
		return false;
	}
}

function ComboOnChangeShowDiv(Form,ControlName) {

	
	var ThisDiv = eval('document.' + Form + '.' + ControlName + '.options.value');
	
	
	if (ThisDiv != '') {
		
		ShowDiv(ThisDiv);
	}
}

function HideDiv(DivId) {
	 var ThisDiv = eval(DivId)
	 ThisDiv.style.visibility = 'hidden';
	 ThisDiv.style.display = 'none';
}

function ShowDiv(DivId) {
	var ThisDiv = eval(DivId)
	ThisDiv.style.visibility = 'visible';
	ThisDiv.style.display = 'block';
}

function GoUrl(Url) {

	location.href = Url;
}


//---------------------------------------------------------------------------------------------------
// Special scripts for sts for showing of images and text



function ShowCurrentImage(ImageArray,MetaphorImageName,Type) {

// show extended img tag with surrounding a-ref, based on current image, using calls to ShowDetail to get
// the parts of the html we are generating

// type can be
// image - show the medium size image, and build a link to the large-image if it exists
// caption - show the caption of the image
// text    - show the associated text of the image
// other   - any other properties that get developed
	
	
	
	var strImageLg			= '';
	var strImageMed			= '';
	var strImageSm			= '';
	var strImageTitle		= '';
	var strResult			= '';
	var strClass			= '';
	var strCaption			= '';
	var strTmp				= '';
	var strMediaFile		= '';
	var strMediaCaption     = '';
	
	var UrlImageName    = GetUrlProperty('id');
	
	
	CurrentImageName = UrlImageName; // from the url
	if (CurrentImageName == '') {
		CurrentImageName = MetaphorImageName; // default to the main 'metaphor' image for the page
	}

	
	var CurrentImagePos     = FindImage(ImageArray,CurrentImageName);
	
	if (Type=='image') {
		
		strImageLg	= GetImageProperty(ImageArray,CurrentImagePos,'lg');
		strImageMed = GetImageProperty(ImageArray,CurrentImagePos,'med');
		strImageTitle = GetImageProperty(ImageArray,CurrentImagePos,'caption');
		if (strImageLg != '') {
			strImageTitle = strImageTitle + '\nClick for a larger image';
		}
		strResult = '<img src="images/' + strImageMed + '" ' + ' title="' + strImageTitle + '" border=0 class=normal>';
	
		if (strImageLg == '') {
		} else {
			// strResult = '<a href="images/' + strImageLg + '" target=_blank class=normal>' + strResult + '</a>';		
			//strResult = '<a href=\'Javascript: void window.open("ShowImage.htm?img=' + strImageLg + '", "", "width=600,height=500,toolbar=0,status=no,scrollbars=yes,resizable=yes")\'>' + strResult + '</a>';
			strResult = '<a href="ShowImage.htm?img=' + strImageLg + '" class=normal>' + strResult + '</a>';
			
		}
	} else {
		
		strResult = GetImageProperty(ImageArray,CurrentImagePos,Type);
		
			
		if (Type=='text') {
			strMediaFile = GetImageProperty(ImageArray,CurrentImagePos,"mediafile");
			strMediaCaption = GetImageProperty(ImageArray,CurrentImagePos,"mediacaption");
			if (strMediaFile != '') {
				if (strMediaCaption == '') {
					strMediaCaption = strMediaFile;
				}
				strResult = strResult + '<p><img src="images/sound.jpg" border=0>&nbsp;<a href=\'Javascript: void window.open("media.htm?id=' + strMediaFile + '","","width=300,height=200,toolbar=0,status=no,scrollbars=no,resizable=no")\' class=thumbcaption>' + strMediaCaption + '</a>';
			}
			if (strResult !='') {
				strResult = "<blockquote class=textbox>" + strResult + '</blockquote>';
			}
		}
		strResult = '<font class=' + Type + '>' + strResult + '</font>';
		
	}	
	return strResult;
}

function Thumbnail(PageId,ImageArray,MetaphorImageName,ActiveImagePos) {



	var strResult = '';
	var strClass  = '';
	
	var UrlImageName    = GetUrlProperty('id');

	if (ActiveImagePos != '') {
	
		var ActiveImageName = GetImageProperty(ImageArray,ActiveImagePos,'name');
		// alert('active='+ActiveImageName+', meta='+MetaphorImageName);
		if ((ActiveImageName == UrlImageName) || ((ActiveImageName == MetaphorImageName) && (UrlImageName ==''))) {
			strClass='thumbactive';
		} else {
			strClass='thumbnormal';
		}
		
		
		var strImageSm = GetImageProperty(ImageArray,ActiveImagePos,'sm');
		var strCaption = GetImageProperty(ImageArray,ActiveImagePos,'caption');
		strResult  = '<img src="images/' + strImageSm + '" border=0 class=' + strClass + ' title="Show detail">';
		if (PageId != '') {
			var strLink = '<a href="' + PageId + '.htm?id=' + ActiveImageName + '">';
			strResult = strLink + strResult + '</a>';
		}
		strResult = strResult + '<br><center><font class=thumbcaption>' + strCaption + '</font></center>'
		
	}
	
	return strResult;
}

function GetImageProperty(ImageArray,CurrentImagePos,Property) {

// Property can be:
// sm (ie 'sm'all image)
// med (ie 'med'ium image)
// lg (large image)
// caption
// text



	
	
	var strResult = '';
	
	strResult = eval('ImageArray[' + CurrentImagePos + '].' + Property);


	return strResult;
	
}

function FindImage(ImageArray,CurrentImageName) {

// Find a named image in ImageArray
// Note that ImageArray is always dimensioned as one-larger than the number of images, and element[0] is
// left blank. This allows us to reference images in javascript using the logical number (eg first image is '1' not '0')
// Therefore in this loop, we use "i=1"  not "i=0"

	var strResult = "";
	
	for (var i = 1; i < ImageArray.length; i++) {
	
		if (ImageArray[i].name == CurrentImageName) {
			
			strResult = i;
			
		}
	}
	return strResult;
}

function GetUrlProperty(Token) {

	
	
	var Pos = 0;
	var TokenValue = '';
	var tmpString = new String('&' + location.href + '&');
	
	tmpString = tmpString.replace('?','&');
	Token = '&' + Token + '=';
	var Pos = tmpString.indexOf(Token,0);
	
	if (Pos >= 0) {
		Pos = Pos + Token.length;
		var Pos2 = tmpString.indexOf('&',Pos+1);
		if (Pos2 >=0) {
			TokenValue = tmpString.substring(Pos,Pos2);
		}
	}
	

	return TokenValue;
}