function stripSpace(theStr) {
// Strip leading and trailing white-space

		return theStr.replace(/^\s*|\s*$/g, "");

}
	
function getStringNum(theNum) {
// returns a string that contains a leading 0 if necessary eg "01", "02"....

		newNum = (theNum<10?"0":"") + theNum;
		return newNum

}

function getANumberThisMinute(whichInSequence,whichFormatTotal) {
		//whichInSequence parameter, won't be needed
		
		theNow = new Date();
		theMinute = theNow.getMinutes();
		
		theNum = whichInSequence + theMinute;  //add minute, so colour changes on the minute
		theNum = (theNum % whichFormatTotal)  +1; //modulo result so we get a number 1 to whichFormatTotal (the number of images in any given format folder)
		
		return theNum;
		

}

function getANumberThisDay() {
		
		theNow = new Date();
		theMinute = theNow.getDay();
		
		theNum = theMinute;  //add day, so num changes each day
		theNum = (theNum % 2) ; //modulo result so we get a number 0 or 1
		
		return theNum;
}



function setCookieNum(newNum) {
	
	var when= new Date();
	when.setMonth(when.getMonth()+20);
	var newDate = when.toGMTString();
	
	newNum = Math.max(0,newNum);//so we don't get a -ve num
	newNum = newNum % 7;
	document.cookie = 'stuartsCookie='+newNum+'; expires='+newDate;
	//alert('stuartsCookie='+newNum+';expires='+newDate);
	//
}


function getCookieNum() {
	
	var cookieValue = 0;
	if (document.cookie != "") { //we have cookies
	
		theCookies = (document.cookie).toString();
		//alert(theCookies);
		theCookiesList = theCookies.split(';');
		 
		for(i=0;i<theCookiesList.length;i++) {
			//if (theCookiesList.length > 1) {
				theCookiesBitsList = theCookiesList[i].split('=');
				if (theCookiesBitsList[0] == 'stuartsCookie') cookieValue = theCookiesBitsList[1];
			//} else {	
			//	if (theCookiesList[0] == 'stuartsCookie') cookieValue = theCookiesList[1];
			//}
				
		}

		
	} else { //no cookie
			
		// cookieValue = 0;
		setCookieNum(cookieValue);
		
	}
	//alert(cookieValue);
	return cookieValue;

} 



/////end cookies


function giveWindowSize(whichDimension) {

  var myWidth = 0, myHeight = 0;
  
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  
  if (whichDimension == 'width') {
  	return myWidth;
  } else {
  	return myHeight;
  }
  
}


function openTearsheetWindow(tearheetType) {

	theURL = 'tearsheets/'+tearheetType+'.htm';
	var tearsheetWindow = window.open(theURL,'tearsheetWindow','toolbar=no,status=yes,width=770,height=450,resizable=yes,scrollbars=yes,left=10');
	tearsheetWindow.focus();

}


function switchPhoto(direction) {  //swicthes the big Photo on this page
	
	MM_showHideLayers('captionLayer','','hide');
	MM_showHideLayers('folioLayer','','hide');
	
	newPhotoNumber = (photoNumber + direction);
	if (newPhotoNumber<1) newPhotoNumber=photosTotal;
	photoNumber = ((newPhotoNumber-1) % photosTotal) + 1 ;
	
	document.images['thePhoto'].src = "photos/" + getStringNum(photoNumber) + ".jpg";
	if (direction>0) loadMorePhotos(newPhotoNumber);
	//document.getElementById('theDimensions').innerHTML = "width is " + document.images['thePhoto'].width + " and the height is " + document.images['thePhoto'].height;
}


function loadPhotos() {  //loads all the photos for this images page
	
	lastOneToLoad = Math.min(5,photosTotal);
	
	 for (photoNum=2;photoNum<=lastOneToLoad;photoNum++) {
		var thePhoto = ("photos/" + getStringNum(photoNum) + ".jpg");
		MM_preloadImages(thePhoto);
	}

}


function loadMorePhotos(startNum) {  //loads some more photos for this images page
	
	lastOneToLoad = Math.min((startNum+5),photosTotal);
	
	 for (photoNum=startNum;photoNum<=lastOneToLoad;photoNum++) {
		var thePhoto = ("photos/" + getStringNum(photoNum) + ".jpg");
		MM_preloadImages(thePhoto);
	}

}



function getBlurbArray(photosTotal) {  
	//loads in all the blurbs for this page into the blurb array
	//these blurbs are listed in the editMe.js files
	
	
	var blurbArray = new Array();

	for (blurbNum=0;blurbNum<photosTotal;blurbNum++) {
	
		thisBlurb = eval("blurb"+(blurbNum+1));
		blurbArray[blurbNum] = thisBlurb;
	
	}
	
	return blurbArray;

}




function sortOutLayout() {  //swicthes the big Photo on this page and re-arranges layout accordingly


	//document.getElementById('theDimensions').innerHTML = "width is " + document.images['thePhoto'].width + " and the height is " + document.images['thePhoto'].height;

	if (document.images['thePhoto'].width > (3.2 * (document.images['thePhoto'].height))) { //wide (letterbox style) triptych images
		if (document.getElementById('theFolioSide') != null) document.getElementById('theFolioSide').innerHTML = "";
		if (document.getElementById('theFolioBottom') != null) document.getElementById('theFolioBottom').innerHTML = "<img src='../../graphics/clearSpot.gif' name='spacer' border='0' width='10' height='18'>image " + photoNumber+ " of " + photosTotal;
		document.getElementById('captionLayer').style.left = 250;
		document.getElementById('captionLayer').style.top = 280;
		document.getElementById('captionLayer').style.width = 400;
		document.getElementById('blurbLayer').style.width = 400;
	} else if (document.images['thePhoto'].width > (2.1 * (document.images['thePhoto'].height))) { //wide diptych images
		if (document.getElementById('theFolioSide') != null) document.getElementById('theFolioSide').innerHTML = "";
		if (document.getElementById('theFolioBottom') != null) document.getElementById('theFolioBottom').innerHTML = "<img src='../../graphics/clearSpot.gif' name='spacer' border='0' width='10' height='18'>image " + photoNumber+ " of " + photosTotal;
		document.getElementById('captionLayer').style.left = 250;
		document.getElementById('captionLayer').style.top = 345;
		document.getElementById('captionLayer').style.width = 400;
		document.getElementById('blurbLayer').style.width = 400;
		
	} else if (document.images['thePhoto'].width > (1.9 * (document.images['thePhoto'].height))) { //narrow diptych/triptych images
		if (document.getElementById('theFolioSide') != null) document.getElementById('theFolioSide').innerHTML = "";
		if (document.getElementById('theFolioBottom') != null) document.getElementById('theFolioBottom').innerHTML = "<img src='../../graphics/clearSpot.gif' name='spacer' border='0' width='10' height='18'>image " + photoNumber+ " of " + photosTotal;
		document.getElementById('captionLayer').style.left = 250;
		document.getElementById('captionLayer').style.top = (document.images['thePhoto'].height + 61);
		document.getElementById('captionLayer').style.width = 315;
		document.getElementById('blurbLayer').style.width = 425;
		
	} else if (document.images['thePhoto'].width >= document.images['thePhoto'].height) { //landscape or square image
		if (document.getElementById('theFolioSide') != null) document.getElementById('theFolioSide').innerHTML = "";
		if (document.getElementById('theFolioBottom') != null) document.getElementById('theFolioBottom').innerHTML = "<img src='../../graphics/clearSpot.gif' name='spacer' border='0' width='10' height='18'>image " + photoNumber+ " of " + photosTotal;
		document.getElementById('captionLayer').style.left = 250;
		document.getElementById('captionLayer').style.top = (document.images['thePhoto'].height + 61);
		document.getElementById('captionLayer').style.width = 315;
		document.getElementById('blurbLayer').style.width = 425;
	} else {//portrait pictures
		if (document.getElementById('theFolioSide') != null) document.getElementById('theFolioSide').innerHTML = "image " + photoNumber+ " of " + photosTotal;
		if (document.getElementById('theFolioBottom') != null) document.getElementById('theFolioBottom').innerHTML = "";
		document.getElementById('folioLayer').style.left = (document.images['thePhoto'].width+261);
		document.getElementById('folioLayer').style.top = 230;
		document.getElementById('captionLayer').style.left = (document.images['thePhoto'].width+261);
		document.getElementById('captionLayer').style.top = 275;		
		document.getElementById('captionLayer').style.width = 290;
		document.getElementById('blurbLayer').style.width = 290;
	}
	document.getElementById('theBlurb').innerHTML = blurbArray[photoNumber-1];

	MM_showHideLayers('folioLayer','','show');
	MM_showHideLayers('captionLayer','','show');

}





// QueryString

            ////////////////////////////////////

            //

            //          var qs = new queryString() // Get QS from page

            //          (or)

            //          var qs = new queryString("name1=value1&name2=value2")

            //

            //          Individual values can be retreived by name using get(). If the name was not found in the querystring, get() returns null or a provided default value. 

            //

            //          var v1 = qs.get("name1")

            //          var v3 = qs.get("name3", "default value")

            //

            ////////////////////////////////////

            function queryString(qs) // optionally pass a querystring to parse

            {

                        this.params = new Object();

                        this.get=queryString_get;

                        if (qs == null) qs=location.search.substring(1,location.search.length);

                        if (qs.length == 0) return;

                        qs = qs.replace(/\+/g, ' ');

                        var args = qs.split('&');

                        for (var i=0;i<args.length;i++)

                        {

                                    var pair = args[i].split('=');

                                    name = unescape(pair[0]);

                                    var value;

                                    if (pair.length == 2)         value = unescape(pair[1]);

                                    else                                                      value = name;

                                    this.params[name] = value;

                        }

            }

            function queryString_get(key, default_) 

            {

                        default_="";

                        if (default_ == null) default_ = "";// changes UNDEFINED to NULL

                        var value=this.params[key];

                        if (value==null){value=default_;}

                        return value;

            }