function scroll(direction ){ var lists = document.getElementById("movingparts").getElementsByTagName("img"); if(direction=="r"){ for(i=0;i<lists.length;i++){ if(lists[i].offsetLeft<(130*(lists.length-1))){ leftness = lists[i].offsetLeft ; leftness+=130; lists[i].style.left=leftness+"px"; }else{ lists[i].style.left="0px"; }} }else{ for(i=0;i<lists.length;i++){ if(lists[i].offsetLeft!=0){ leftness = lists[i].offsetLeft ; leftness-=130; lists[i].style.left=leftness+"px"; }else{ lists[i].style.left=(lists.length-1)*130+"px"; }} }}function selected(shape){var lists = document.getElementById("movingparts").getElementsByTagName("img"); for(i=0;i<lists.length;i++){ the_id = lists[i].id; lists[i].setAttribute("class",""); if(the_id!=shape)unroll(the_id);} o = document.getElementById(shape);orig_img = o.src; orig_img=orig_img.replace("hover_",""); orig_img=orig_img.replace("boxed_",""); boxed=orig_img.replace("shapes_small/","shapes_small/boxed_"); o.src=boxed; o.setAttribute("class","selected");}function unroll(shape){ if(document.getElementById(shape).getAttribute("class") !="selected"){ roller = document.getElementById(shape).src; orig=roller.replace("hover_",""); orig=orig.replace("boxed_",""); document.getElementById(shape).src=orig; }}function roll(shape){ if(document.getElementById(shape).getAttribute("class") !="selected"){ orig = document.getElementById(shape).src; roller=orig.replace("boxed_",""); roller=roller.replace("hover_","");roller=roller.replace("shapes_small/","shapes_small/hover_"); document.getElementById(shape).src=roller; }}function do_boxes(a,b){ document.getElementById("shape").value =b;var alphabet=new Array("A","B","C","D","E");for(i=0;i<5;i++){document.getElementById("measure"+alphabet[i]).value = ""; if(a>0){document.getElementById("box"+alphabet[i]).setAttribute("class" , ""); document.getElementById("measure"+alphabet[i]).disabled = false;}else{document.getElementById("box"+alphabet[i]).setAttribute("class" , "pale"); document.getElementById("measure"+alphabet[i]).disabled = true; } a--;}} function do_pic(){document.getElementById("tarppic").src = "images/loading.jpg";a=do_pic.arguments; grade = document.getElementById("grade").value; document.getElementById("tarppic").src = "images/tarpcolours/"+list[grade][a[0]-1]['photo'];}function do_select(a){document.getElementById("colour").options.length=0;document.getElementById("colour").options[0]=new Option("-","-", false, false); for(var i=0;i<list[a].length;i++){document.getElementById("colour").options[i+1]=new Option(list[a][i]['name'],list[a][i]['id'], false, false);}}function initXMLHttpClient(){var xmlhttp;try {xmlhttp=new XMLHttpRequest();}catch(e){var XMLHTTP_IDS=new Array(	'MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0','Microsoft.XMLHTTP');var success=false;for(var i=0;i<XMLHTTP_IDS.length && !success; i++){try{xmlhttp=new ActiveXObject(XMLHTTP_IDS[i]);success=true;}catch (e){}}if(!success){throw new Error('Unable to create XML Request');}}return xmlhttp;}