/*********************************************************************** dim variables ***********************************************************************/ //var navSpeed=100; //var firstTime=0; var speed=15; var loop, timer; var initialised; var bw; var width, height; var objControlTop, objControlLeft, objScrollerTop, objScrollerLeft; var strScroll; /*********************************************************************** URL Stripper ***********************************************************************/ var qs = new QuerystringObject(); function QuerystringObject(){ // get the query string, ignore the ? at the front. var querystring=location.search.substring(1,location.search.length); // parse out name/value pairs separated via & var args = querystring.split('&'); // split out each name = value pair for (var i=0;i-1 && this.dom)?1:0; this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0; this.ie4=(document.all && !this.dom)?1:0; this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; this.ns4=(document.layers && !this.dom)?1:0; this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns5) return this } bw=new verifyCompatibleBrowser(); /*********************************************************************** initialise objects ***********************************************************************/ function initialiseCommonObjects(){ objContainer=new createScrollObject('divContainer'); objScroller=new createScrollObject('divContent','divContainer'); //--objScroller refers to both layers as one object--// objControl=new createControlObject('divControl'); objPageName=new createControlObject('divPageName'); } /*********************************************************************** Control funnctions - not specific to objects ***********************************************************************/ function initialisePage(){ // define what gets initialised on page load initialiseCommonObjects(); //common stuff positionObjects(); rewriteLayer('divPageName','' + valueOfPage + ''); setScrolls(); setPageVisibility(); } function setPageVisibility(){ // turn on visiblity of initial page objects objPageName.css.visibility='visible'; objScroller.css.visibility='visible'; initialised = true; } function objectPositions(){ //find object positions if(document.all){ width = document.body.scrollWidth ; height = document.body.scrollHeight; } else{ width = document.width; height = document.height; } objScrollerTop = (height/2)-150; objScrollerLeft = (width/2)-100; objPageNameTop = (height/2)-182; objControlTop = (height/2)+56; objControlLeft = (width/2)-95; } function positionObjects(){ //position objects objectPositions(); objContainer.moveObject(objScrollerTop,objScrollerLeft); objControl.moveObject(objControlTop,objControlLeft); objPageName.moveObject(objPageNameTop,objScrollerLeft+145); objScroller.moveArea(0,0); } function rewriteLayer(id,html){ // rewrites the html inside a layer if (document.all){document.all[id].innerHTML = html;return;} else if(document.layers && arguments.length==2) {var lay= eval(document.layers[id]);} else if(document.layers && arguments.length==3) {var lay= eval(document.layers[nn4Parent].document.layers[id]);} if(document.layers){ lay.document.open(); lay.document.write(html); lay.document.close(); return; } else if(document.getElementById){ document.getElementById(id).innerHTML = html; } return; } /*********************************************************************** scroll object creator ***********************************************************************/ function createControlObject(obj){ //--used to recognise divContainer and divContent layers as a single object--// this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; this.visible=showHideObject; // show hide object method this.moveObject=moveObject; this.x; this.y; this.obj = obj + "Object" eval(this.obj + "=this") return this } /*********************************************************************** scroll object creator ***********************************************************************/ function createScrollObject(obj,nest){ //--used to recognise divContainer and divContent layers as a single object--// nest=(!nest) ? '':'document.'+nest+'.' this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight this.visible=showHideObject; // show hide object method this.moveObject=moveObject; this.up=moveAreaUp; //--gives scrolling method to object--// this.down=moveAreaDown; this.moveArea=moveArea; this.x; this.y; this.obj = obj + "Object" eval(this.obj + "=this") return this } /******************************************************** Scroller object Methods ***********************************************************/ function moveArea(x,y){ // moves the scroll this.x=x;this.y=y this.css.left=this.x this.css.top=this.y } function moveAreaDown(move){ // Loop to move scroll down if(this.y>-this.scrollHeight+eval('objContainer').clipHeight){ //--stops scrolling at end of layer--// this.moveArea(0,this.y-move) if(loop) setTimeout(this.obj+".down("+move+")",speed) } } function moveAreaUp(move){ // loop to move scroll up if(this.y<0){ this.moveArea(0,this.y-move) if(loop) setTimeout(this.obj+".up("+move+")",speed) } } function performScroll(speed){ // starts scroll if(initialised){ loop=true; if(speed<0) eval('objScroller').up(speed) else eval('objScroller').down(speed) } } function ceaseScroll(){ // stops scroll loop=false if(timer) clearTimeout(timer) } /*********************************************************************** Commom object methods ***********************************************************************/ function moveObject(toppos,leftpos){ // Move object around the screen this.css.top=toppos; this.css.left=leftpos; } function showHideObject(status){ // Set object visibilty this.css.visibility = status; }