function loadPictures() {
//medium
	imagea = new Image();	imagea.src = "gifs/handy_angle_medium.jpg";
	imageb = new Image();	imageb.src = "gifs/construction_angle_medium.jpg";
	imagec = new Image();	imagec.src = "gifs/slotted_strip_medium.jpg";
	imaged = new Image();	imaged.src = "gifs/nuts_bolts_medium.jpg";
	imagee = new Image();	imagee.src = "gifs/angle_cutter_medium.jpg";
	imagef = new Image();	imagef.src = "gifs/castors_medium.jpg";
	imageg = new Image();	imageg.src = "gifs/tension_plates_medium.jpg";
	imageh = new Image();	imageh.src = "gifs/handy_tube_medium.jpg";
	imagei = new Image();	imagei.src = "gifs/finned_tube_medium.jpg";
	imagej = new Image();	imagej.src = "gifs/shelf_clips_medium.jpg";
	imagek = new Image();	imagek.src = "gifs/cladding_extrusions_medium.jpg";
	imagel = new Image();	imagel.src = "gifs/baseplates_medium.jpg";
	imagem = new Image();	imagem.src = "gifs/assembly_tools_medium.jpg";
	imagen = new Image();	imagen.src = "gifs/sliding_door_medium.jpg";
	imageo = new Image();	imageo.src = "gifs/plain_tube_medium.jpg";
	imagep = new Image();	imagep.src = "gifs/onepiece_joints_medium.jpg";
	imageq = new Image();	imageq.src = "gifs/shelving_arms_medium.jpg";
	imager = new Image();	imager.src = "gifs/end_caps_medium.jpg";
	images = new Image();	images.src = "gifs/ferrules_medium.jpg";
//large
	imaget = new Image();	imaget.src = "gifs/handy_angle_large.jpg";
	imageu = new Image();	imageu.src = "gifs/construction_angle_large.jpg";
	imagev = new Image();	imagev.src = "gifs/slotted_strip_large.jpg";
	imagew = new Image();	imagew.src = "gifs/nuts_bolts_large.jpg";
	imagex = new Image();	imagex.src = "gifs/angle_cutter_large.jpg";
	imagey = new Image();	imagey.src = "gifs/castors_large.jpg";
	imagez = new Image();	imagez.src = "gifs/tension_plates_large.jpg";
	imageaa = new Image();	imageaa.src = "gifs/handy_tube_large.jpg";
	imageab = new Image();	imageab.src = "gifs/finned_tube_large.jpg";
	imageac = new Image();	imageac.src = "gifs/shelf_clips_large.jpg";
	imagead = new Image();	imagead.src = "gifs/cladding_extrusions_large.jpg";
	imageae = new Image();	imageae.src = "gifs/baseplates_large.jpg";
	imageaf = new Image();	imageaf.src = "gifs/assembly_tools_large.jpg";
	imageag = new Image();	imageag.src = "gifs/sliding_door_large.jpg";
	imageah = new Image();	imageah.src = "gifs/plain_tube_large.jpg";
	imageai = new Image();	imageai.src = "gifs/onepiece_joints_large.jpg";
	imageaj = new Image();	imageaj.src = "gifs/shelving_arms_large.jpg";
	imageak = new Image();	imageak.src = "gifs/end_caps_large.jpg";
	imageal = new Image();	imageal.src = "gifs/ferrules_large.jpg";
}
function newImage(imagename,imagewidth,imageheight) {
   var newfile = imagename;
   var result;
   result = imagename.indexOf("handy_angle");
   if (result != -1) {newfile="gifs/handy_angle_large.jpg";}
   result = imagename.indexOf("construction_angle");
   if (result != -1) {newfile="gifs/construction_angle_large.jpg";}
   result = imagename.indexOf("slotted_strip");
   if (result != -1) {newfile="gifs/slotted_strip_large.jpg";}
   result = imagename.indexOf("nuts_bolts");
   if (result != -1) {newfile="gifs/nuts_bolts_large.jpg";}
   result = imagename.indexOf("angle_cutter");
   if (result != -1) {newfile="gifs/angle_cutter_large.jpg";}
   result = imagename.indexOf("castors_medium");
   if (result != -1) {newfile="gifs/castors_large.jpg";}
   result = imagename.indexOf("tension_plates");
   if (result != -1) {newfile="gifs/tension_plates_large.jpg";}
   result = imagename.indexOf("handy_tube");
   if (result != -1) {newfile="gifs/handy_tube_large.jpg";}
   result = imagename.indexOf("finned_tube");
   if (result != -1) {newfile="gifs/finned_tube_large.jpg";}
   result = imagename.indexOf("shelf_clips");
   if (result != -1) {newfile="gifs/shelf_clips_large.jpg";}
   result = imagename.indexOf("cladding_extrusions");
   if (result != -1) {newfile="gifs/cladding_extrusions_large.jpg";}
   result = imagename.indexOf("baseplates");
   if (result != -1) {newfile="gifs/baseplates_large.jpg";}
   result = imagename.indexOf("assembly_tools");
   if (result != -1) {newfile="gifs/assembly_tools_large.jpg";}
   result = imagename.indexOf("sliding_door");
   if (result != -1) {newfile="gifs/sliding_door_large.jpg";}
   result = imagename.indexOf("plain_tube");
   if (result != -1) {newfile="gifs/plain_tube_large.jpg";}
   result = imagename.indexOf("onepiece_joints");
   if (result != -1) {newfile="gifs/onepiece_joints_large.jpg";}
   result = imagename.indexOf("shelving_arms");
   if (result != -1) {newfile="gifs/shelving_arms_large.jpg";}
   result = imagename.indexOf("end_caps");
   if (result != -1) {newfile="gifs/end_caps_large.jpg";}
   result = imagename.indexOf("ferrules");
   if (result != -1) {newfile="gifs/ferrules_large.jpg";}

   newscreen=window.open(newfile,'_top','toolbar=no,location=no,directories=no,status=no,   screenX=100, screenY=30, left=100, top=30, scrollbars=no, resizable=yes, copyhistory=no, width=500, height=400');
}
function replaceImage(imageLoc,imageName, imageWidth, imageHeight) {
	document.images[imageLoc].src = imageName;
	document.images[imageLoc].width = imageWidth;
	document.images[imageLoc].height = imageHeight;
	return true;
}
function replaceText(textName) {
	document.formText.picText.value = textName;
	return true;
}
var handyAngle="Simple and economic to cut and bolt together - no welding, painting or drilling needed.";
var constructionAngle="Cold rolled mild steel pierced on 3\" pitch, phosphated, electrostatically sprayed and stove enamelled graphite grey.  Hot dipped galvanised for arduous conditions.";
var slottedStrip="Slotted strip steel for joining construction angle together.";
var nutsBolts="Zinc passivated and lacquered.";
var portableAngleCutter="Single stroke cutter for use with all angles.";
var castors="Castors with nylon, steel or rubber wheels.";
var tensionPlates="For use with construction angle. Painted in light grey, graphite grey or hot dipped galvanised finish.";
var handyTube="Simple and economic to cut and slot together - no welding, painting or drilling needed.";
var finnedTube="25mm square extruded aluminium tube, self colour or black powder coated finish. The fin provides a continuous support for either 15mm board or 6mm glass. Double finned tube enables 15mm board to be used as cladding directly into the tube.";
var shelfClips="Clips support the board shelves or glass and are available in a variety of styles and colours.";
var claddingExtrusions="Extrusions are used for fitting 15mm cladding board and variable thickness glass to a tube framework.";
var baseplates="A variety of sizes and styles are available to support adjustable feet and castors.";
var assemblyTools="The hammer is used for the assembly of joints, the jig for accurate cutting of tube.";
var slidingDoor="Door track is used for fitting sliding doors within a tube framework.";
var plainTube="Tube is available, plain or perforated on one or two faces. Comes in steel as 18swg cold rolled, seam welded tube in black, red or blue (double coat painted & stove enamelled), powder coated white, electroplated chrome or clear passivated zinc. Also extruded alloy Aluminium (self coloured or powder coated black).";
var onepieceJoints="Complete one-piece joints, ready to use, steel core covered with impact resistant ABS.  Available in black or grey, except 6 way which is black only.";
var shelvingArms="Cantilever shelving arms for use with perforated tube, provide fully adjustable shelf supports.  Black or chrome finish.";
var endCaps="Metal end caps for load bearing, plastic caps for closure of open ends of tube & light duty frames.";
var ferrules="A plastic end cap to raise the tube clear of floor obstructions.";