function getHTTPObject() {
	try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
	try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
	try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
	alert("XMLHttpRequest not supported");
	return null;
}

function goMake() {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById('loading_spin').style.display="";
		document.getElementById('enginebodyhr').style.display="none";
		httpObject.open("GET", "ajax_dropdowns.php?type=make&make="
			+document.getElementById('make').value, true);
		httpObject.send(null);
		httpObject.onreadystatechange = setModel;
	}
}

function setModel() {
	if (httpObject.readyState == 4) {
		document.getElementById('model_form').style.display='none';
		document.getElementById('modeldiv').innerHTML='';
		document.getElementById('year_form').style.display='none';
		document.getElementById('yeardiv').innerHTML='';
		document.getElementById('engine_form').style.display='none';
		document.getElementById('enginediv').innerHTML='';
		document.getElementById('body_form').style.display='none';
		document.getElementById('bodydiv').innerHTML='';

		document.getElementById('modeldiv').innerHTML = httpObject.responseText;
		document.getElementById('loading_spin').style.display="none";
		document.getElementById('model_form').style.display="";
	}
}

function goModel() {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById('loading_spin').style.display="";
		document.getElementById('enginebodyhr').style.display="none";
		httpObject.open("GET", "ajax_dropdowns.php?type=model&make="
			+document.getElementById('make').value
			+"&model="
			+document.getElementById('model').value, true);
		httpObject.send(null);
		httpObject.onreadystatechange = setYear;
	}
}
function setYear() {
	if (httpObject.readyState == 4) {
		document.getElementById('year_form').style.display='none';
		document.getElementById('yeardiv').innerHTML='';
		document.getElementById('engine_form').style.display='none';
		document.getElementById('enginediv').innerHTML='';
		document.getElementById('body_form').style.display='none';
		document.getElementById('bodydiv').innerHTML='';
		
		document.getElementById('year_form').style.display="";
		document.getElementById('loading_spin').style.display="none";
		document.getElementById('yeardiv').innerHTML = httpObject.responseText;
	}
}
function goYear(makeid,modelid,yearid,spinner_id,type) {
	if (spinner_id==null) {
		spinner_id = 'loading_spin';
	}
	if (makeid==null) {
		makeid = document.getElementById('make').value;
	}
	if (modelid==null) {
		modelid = document.getElementById('model').value;
	}
	if (yearid==null) {
		yearid = document.getElementById('year').value;
	}
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById(spinner_id).style.display="";
		document.getElementById('enginebodyhr').style.display="none";
		httpObject.open("GET", "ajax_dropdowns.php?type=year&make="
			+makeid
			+"&model="
			+modelid
			+"&year="
			+yearid, true);
		httpObject.send(null);
		if (type==null) {
			httpObject.onreadystatechange = function() {setPartsList(makeid,modelid,yearid);};
		} else {
			httpObject.onreadystatechange = function() {setPartsListRefNum(makeid,modelid,yearid);};
		}
	}
}
function setPartsList(makeid,modelid,yearid,ebStuffHide) {
	if (ebStuffHide==null) {
		ebStuffHide=true;
	} else {
		ebStuffHide=false;
	}
	if (httpObject.readyState == 4) {
		if (ebStuffHide) {
			document.getElementById('engine_form').style.display='none';
			document.getElementById('enginediv').innerHTML='';
			document.getElementById('body_form').style.display='none';
			document.getElementById('bodydiv').innerHTML='';
		}
		document.getElementById('loading_spin').style.display="none";
		var rt = httpObject.responseText;
		document.getElementById('ajax_part_list').innerHTML = rt;
		if (ebStuffHide) {
			engineBodyHideShow(makeid,modelid,yearid);
		}
		dropdowncontent.init("filter_by_subcatid_link", "right-bottom", 300, "mouseover");
		dropdowncontent.init("filter_by_type_link", "right-bottom", 300, "mouseover");
	}
}
function setPartsListRefNum(makeid,modelid,yearid) {
	if (httpObject.readyState == 4) {
		document.getElementById('engine_form').style.display='none';
		document.getElementById('enginediv').innerHTML='';
		document.getElementById('body_form').style.display='none';
		document.getElementById('bodydiv').innerHTML='';
		document.getElementById('loading_spin_refnum').style.display="none";
		var rt = httpObject.responseText;
		document.getElementById('ajax_part_list').innerHTML = rt;
		engineBodyHideShow(makeid,modelid,yearid);
		dropdowncontent.init("filter_by_subcatid_link", "rightt-bottom", 300, "mouseover");
		dropdowncontent.init("filter_by_type_link", "right-bottom", 300, "mouseover");
	}
}

function go_categories(catyes) {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById('loading_spin').style.display="";
		if (catyes) {
			httpObject.open("GET", "partslist.php?view=cat", true);
		} else {
			httpObject.open("GET", "partslist.php", true);
		}
		httpObject.send(null);
		httpObject.onreadystatechange = setCategoriesList;
	}
}
function setCategoriesList() {
	if (httpObject.readyState == 4) {
		document.getElementById('engine_form').style.display='none';
		document.getElementById('enginediv').innerHTML='';
		document.getElementById('body_form').style.display='none';
		document.getElementById('bodydiv').innerHTML='';
		
		document.getElementById('loading_spin').style.display="none";
		document.getElementById('ajax_part_list').innerHTML = httpObject.responseText;
	}
}

function goref(refnum) {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById('loading_spin_refnum').style.display="";
		httpObject.open("GET", "ajax_refnum.php?refnum="
			+refnum, true);
		httpObject.send(null);
		httpObject.onreadystatechange = setPartsListRefNum;
	}
}

function setFavStockItem(line,part,action) {
	divID = 'div'+line+part;
	favimgID = 'favimg'+line+part;
	if (action==null) {
		action="add";
	}
	if (action=="add") {
		//  change button to minus
		document.getElementById(divID).innerHTML = '<img id="favimg{$part.line}{$part.part} class="fakelink" src="images/icons/ico-minus.gif" alt="Remove" title="Remove" onclick="setFavStockItem(\''+line+'\',\''+part+'\',\'rem\');" width="10" height="10" border="0" />';
	} else {
		//  change button to plus
		document.getElementById(divID).innerHTML = '<img id="favimg{$part.line}{$part.part} class="fakelink" src="images/icons/ico-plus.gif" alt="Add" title="Add" onclick="setFavStockItem(\''+line+'\',\''+part+'\',\'add\');" width="10" height="10" border="0" />';
	}
	httpObject = getHTTPObject();
	if (httpObject != null) {
		imgID = line+part;
		httpObject.open("GET", "ajax_favupdate.php?line="+line+"&part="+part+"&action="+action, true);
		httpObject.send(null);
	}
}

function engineBodyHideShow(makeid,modelid,yearid) {
	if (makeid==null) {
		makeid = document.getElementById('make').value;
	}
	if (modelid==null) {
		modelid = document.getElementById('model').value;
	}
	if (yearid==null) {
		yearid = document.getElementById('year').value;
	}
	httpObject = getHTTPObject();
	if (httpObject != null) {
		httpObject.open("GET", "ajax_dropdowns.php?type=ebq&make="
			+makeid
			+"&model="
			+modelid
			+"&year="
			+yearid, true);
		httpObject.send(null);
		httpObject.onreadystatechange = ebqtime;
	}
}
function ebqtime() {
	if (httpObject.readyState == 4) {
		var rt = httpObject.responseText;
		if (rt=="ok") {
			//  hide engine/body
			//alert("Hide Both");
			document.getElementById('engine_form').style.display='none';
			document.getElementById('body_form').style.display='none';
		}
		if (rt=="engine") {
			//  hide body show engine
			//alert("Show Engine and Hide Body");
			document.getElementById('loading_spin').style.display="";
			document.getElementById('enginebodyhr').style.display="";
			engineHttpObject = getHTTPObject();
			if (engineHttpObject != null) {
				engineHttpObject.open("GET", "ajax_dropdowns.php?type=engine", true);
				engineHttpObject.send(null);
				engineHttpObject.onreadystatechange = setEngine;
			}
		}
		if (rt=="body") {
			//  show body hide engine
			//alert("Hide Engine and Show Body");
			document.getElementById('loading_spin').style.display="";
			document.getElementById('enginebodyhr').style.display="";
			bodyHttpObject = getHTTPObject();
			if (bodyHttpObject != null) {
				bodyHttpObject.open("GET", "ajax_dropdowns.php?type=body", true);
				bodyHttpObject.send(null);
				bodyHttpObject.onreadystatechange = setBody;
			}
		}
		if (rt=="both") {
			//  show both
			//alert("Show Both");
			document.getElementById('loading_spin').style.display="";
			document.getElementById('enginebodyhr').style.display="";
			engineHttpObject = getHTTPObject();
			if (engineHttpObject != null) {
				engineHttpObject.open("GET", "ajax_dropdowns.php?type=engine", true);
				engineHttpObject.send(null);
				engineHttpObject.onreadystatechange = function() {setEngine(false);};
			}
			bodyHttpObject = getHTTPObject();
			if (bodyHttpObject != null) {
				bodyHttpObject.open("GET", "ajax_dropdowns.php?type=body", true);
				bodyHttpObject.send(null);
				bodyHttpObject.onreadystatechange = function() {setBody(false);};
			}
		}
		//alert("."+rt+".");
	}
}

function setEngine(clearOther) {
	if (clearOther==null) {
		clearOther==true;
	}
	if (engineHttpObject.readyState == 4) {
		document.getElementById('engine_form').style.display='none';
		document.getElementById('enginediv').innerHTML='';
		if (clearOther) {
			document.getElementById('body_form').style.display='none';
			document.getElementById('bodydiv').innerHTML='';
		}
		
		document.getElementById('engine_form').style.display="";
		document.getElementById('loading_spin').style.display="none";
		document.getElementById('enginediv').innerHTML = engineHttpObject.responseText;
		dropdowncontent.init("filter_by_subcatid_link", "right-bottom", 300, "mouseover");
		dropdowncontent.init("filter_by_type_link", "right-bottom", 300, "mouseover");
	}
}
function setBody(clearOther) {
	if (clearOther==null) {
		clearOther==true;
	}
	if (bodyHttpObject.readyState == 4) {
		if (clearOther) {
			document.getElementById('engine_form').style.display='none';
			document.getElementById('enginediv').innerHTML='';
		}
		document.getElementById('body_form').style.display='none';
		document.getElementById('bodydiv').innerHTML='';
		
		document.getElementById('body_form').style.display="";
		document.getElementById('loading_spin').style.display="none";
		document.getElementById('bodydiv').innerHTML = bodyHttpObject.responseText;
		dropdowncontent.init("filter_by_subcatid_link", "right-bottom", 300, "mouseover");
		dropdowncontent.init("filter_by_type_link", "right-bottom", 300, "mouseover");
	}
}
function goEB(makeid,modelid,yearid,engineid,bodyid) {
	if (makeid==null) {
		makeid = document.getElementById('make').value;
	}
	if (modelid==null) {
		modelid = document.getElementById('model').value;
	}
	if (yearid==null) {
		yearid = document.getElementById('year').value;
	}
	if (engineid==null) {
		if (document.getElementById('engine')!=null) {
			engineid = document.getElementById('engine').value;
		}
		if (engineid==0) {
			engineid='all';
		}
	}
	if (bodyid==null) {
		if (document.getElementById('body')!=null) {
			bodyid = document.getElementById('body').value;
		}
		if (bodyid==0) {
			bodyid='all';
		}
	}
	httpObject = getHTTPObject();
	if (httpObject != null) {
		document.getElementById('loading_spin').style.display="";
		httpObject.open("GET", "ajax_dropdowns.php?type=eb&make="+makeid
			+"&model="+modelid
			+"&year="+yearid
			+"&engine="+engineid
			+"&body="+bodyid
			, true);
		httpObject.send(null);
		httpObject.onreadystatechange = function() {setPartsList(makeid,modelid,yearid,true);};
	}
}
function goEngine() {
	goEB();
}
function goBody() {
	goEB();
}

function clearExpress() {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		httpObject.open("GET", "ajax_clearexpress.php", true);
		httpObject.send(null);
		return true;
	}
	return true;
}

function goInvoiceSearch(year,month,day,partn,inv,po) {
	httpObject = getHTTPObject();
	if (httpObject != null) {
		var url = "ajax_invoices_search.php"
		+"?year="+year
		+"&month="+month
		+"&day="+day
		+"&partnumber="+partn
		+"&invnumber="+inv
		+"&ponumber="+po;
		//alert(url);
		document.getElementById('page_loading_spin').style.display="";
		httpObject.open("GET", url, true);
		httpObject.send(null);
		httpObject.onreadystatechange = setInvoices;
	}
	return false;
}
function setInvoices() {
	if (httpObject.readyState == 4) {
		document.getElementById('page_loading_spin').style.display="none";
		document.getElementById('invoice_results').innerHTML = httpObject.responseText;
	}
	return false;
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_popupMsg(msg) { //v1.0
  alert(msg);
}