var enabletabpersistence=0 //enable tab persistence via session only cookies, so selected tab is remembered?

////NO NEED TO EDIT BELOW////////////////////////
var tabcontentIDs=new Object()

function expandcontent(linkobj){
var ulid=linkobj.parentNode.parentNode.id //id of UL element
var ullist=document.getElementById(ulid).getElementsByTagName("li") //get list of LIs corresponding to the tab contents
for (var i=0; i<ullist.length; i++){
ullist[i].className=""  //deselect all tabs
if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
document.getElementById(tabcontentIDs[ulid][i]).style.display="none" //hide all tab contents
}
linkobj.parentNode.className="selected"  //highlight currently clicked on tab



// actuator type tabs --- when pushed


	if (linkobj.getAttribute("rel")=="airact"){
		document.codeform.act_type.value = "P";
		changeCode();
	}                   

	if (linkobj.getAttribute("rel")=="electact"){ 
		document.codeform.act_type.value = "E";
		changeCode();
	}                   

	if (linkobj.getAttribute("rel")=="manact"){ 
		document.codeform.act_type.value = "M";
		// alert('catm');
		changeCode();
	}                   




	if (linkobj.getAttribute("rel")=="soltab1"){ document.codeform.solenoid[0].checked = 1; changeCode();
	document.getElementById("solvolts").style.display="none";
	}                   //expand corresponding tab content

	if (linkobj.getAttribute("rel")=="soltab2"){ document.codeform.solenoid[1].checked = 1; changeCode();
	document.getElementById("solvolts").style.display="block";
	}                   //expand corresponding tab content

	if (linkobj.getAttribute("rel")=="soltab3"){ document.codeform.solenoid[5].checked = 1; changeCode();
	document.getElementById("solvolts").style.display="block";
	}                   //expand corresponding tab content




	if (linkobj.getAttribute("rel")=="limtab1"){ document.codeform.limit[0].checked = 1;
	changeCode();
	}
	if (linkobj.getAttribute("rel")=="limtab2"){ document.codeform.limit[1].checked = 1;
	changeCode();
	}
	if (linkobj.getAttribute("rel")=="limtab3"){ document.codeform.limit[4].checked = 1;
	changeCode();
	}

	if (linkobj.getAttribute("rel")=="postabp1"){ document.codeform.posp[0].checked = 1;
	changeCode();
	}
	if (linkobj.getAttribute("rel")=="postabp2"){ document.codeform.posp[1].checked = 1;
	changeCode();
	}
	if (linkobj.getAttribute("rel")=="postabp3"){ document.codeform.posp[2].checked = 1;
	changeCode();
	}


	if (linkobj.getAttribute("rel")=="postabe1"){ document.codeform.pose[0].checked = 1;
	changeCode();
	}
	if (linkobj.getAttribute("rel")=="postabe2"){ document.codeform.pose[1].checked = 1;
	changeCode();
	}

//-------------------------------------------------- Flow Meter

	if (linkobj.getAttribute("rel")=="spigcon"){
		document.codeform.contype.value = "S";
		changePic('');
		changeCode();
	}                   
	
	
	if (linkobj.getAttribute("rel")=="nptcon"){
		document.codeform.contype.value = "N";
		changePic('N');
		changeCode();
	}                   
	if (linkobj.getAttribute("rel")=="tricon"){
		document.codeform.contype.value = "T";
		changePic('T');
		changeCode();
	}                   
	if (linkobj.getAttribute("rel")=="flancon"){
		document.codeform.contype.value = "F";
		changePic('F');
		changeCode();
	}                   


document.getElementById(linkobj.getAttribute("rel")).style.display="block" //expand corresponding tab content
saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
}

function expandtab(tabcontentid, tabnumber){ //interface for selecting a tab (plus expand corresponding content)
var thetab=document.getElementById(tabcontentid).getElementsByTagName("a")[tabnumber];
if (thetab.getAttribute("rel"))
expandcontent(thetab);
}

function savetabcontentids(ulid, relattribute){// save ids of tab content divs
if (typeof tabcontentIDs[ulid]=="undefined") //if this array doesn't exist yet
tabcontentIDs[ulid]=new Array()
tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
}

function saveselectedtabcontentid(ulid, selectedtabid){ //set id of clicked on tab as selected tab id & enter into cookie
if (enabletabpersistence==1) //if persistence feature turned on
setCookie(ulid, selectedtabid)
// alert (ulid+' = '+selectedtabid)
}

function getullistlinkbyId(ulid, tabcontentid){ //returns a tab link based on the ID of the associated tab content
var ullist=document.getElementById(ulid).getElementsByTagName("li")
for (var i=0; i<ullist.length; i++){
if (ullist[i].getElementsByTagName("a")[0].getAttribute("rel")==tabcontentid){


return ullist[i].getElementsByTagName("a")[0]
break
}
}
}

function initializetabcontent(){
for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
if (enabletabpersistence==0 && getCookie(arguments[i])!="") //clean up cookie if persist=off
setCookie(arguments[i], "")
var clickedontab=getCookie(arguments[i]) //retrieve ID of last clicked on tab from cookie, if any
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
for (var x=0; x<ulist.length; x++){ //loop through each LI element
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
savetabcontentids(arguments[i], ulistlink.getAttribute("rel")) //save id of each tab content as loop runs
ulistlink.onclick=function(){
expandcontent(this)
return false
}


if (ulist[x].className=="selected" && clickedontab=="") //if a tab is set to be selected by default
expandcontent(ulistlink) //auto load currenly selected tab content
}
} //end inner for loop
if (clickedontab!=""){ // alert(clickedontab);//if a tab has been previously clicked on per the cookie value
var culistlink=getullistlinkbyId(arguments[i], clickedontab);
if (typeof culistlink!="undefined") //if match found between tabcontent id and rel attribute value
expandcontent(culistlink)

//auto load currenly selected tab content
else //else if no match found between tabcontent id and rel attribute value (cookie mis-association)
expandcontent(ulist[0].getElementsByTagName("a")[0]) //just auto load first tab instead
}
} //end outer for loop
}


function getCookie(Name){ 
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}

function setCookie(name, value){
document.cookie = name+"="+value //cookie value is domain wide (path=/)
}
