// JavaScript Document
eng=new Array(97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,87,82,84,83,67,74,90);
geo=new Array(4304,4305,4330,4307,4308,4324,4306,4336,4312,4335,4313,4314,4315,4316,4317,4318,4325,4320,4321,4322,4323,4309,4332,4334,4327,4310,4333,4326,4311,4328,4329,4319,4331,91,93,59,39,44,46,96);



function makeGeo(ob,e) {
	code = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;	
	
	if (code==96) {
		document.getElementById('geoKeys').checked = !document.getElementById('geoKeys').checked;
		return false;
	}

	if (e.which==0) return true;
	
	if (!document.getElementById('geoKeys').checked) return true;
		
	var found = false;
	for (i=0; i<=geo.length; i++) {
		if (eng[i]==code) {
			c=geo[i];
			found = true;
		}
	}
	
	if ( found ) {
		if (document.selection) {
			sel = document.selection.createRange();
			sel.text = String.fromCharCode(c);
		} else {
			if (ob.selectionStart || ob.selectionStart == '0') {
				var startPos = ob.selectionStart;
				var endPos = ob.selectionEnd;
				ob.value = ob.value.substring(0, startPos) + String.fromCharCode(c) + ob.value.substring(endPos, ob.value.length);
				ob.selectionStart = startPos+1;
				ob.selectionEnd = endPos+1;
			} else {
				
				return true;
			}
		}
		return false;
	} else {
		return true;
	}

}


function makeGeoF(ob,e) {
	code = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;	
	
	if (code==96) {
		document.getElementById('geoKeysF').checked = !document.getElementById('geoKeysF').checked;
		return false;
	}

	if (e.which==0) return true;
	
	if (!document.getElementById('geoKeysF').checked) return true;
		
	var found = false;
	for (i=0; i<=geo.length; i++) {
		if (eng[i]==code) {
			c=geo[i];
			found = true;
		}
	}
	
	if ( found ) {
		if (document.selection) {
			sel = document.selection.createRange();
			sel.text = String.fromCharCode(c);
		} else {
			if (ob.selectionStart || ob.selectionStart == '0') {
				var startPos = ob.selectionStart;
				var endPos = ob.selectionEnd;
				ob.value = ob.value.substring(0, startPos) + String.fromCharCode(c) + ob.value.substring(endPos, ob.value.length);
				ob.selectionStart = startPos+1;
				ob.selectionEnd = endPos+1;
			} else {
				
				return true;
			}
		}
		return false;
	} else {
		return true;
	}

}


function _(e) {
    return document.getElementById(e) ? document.getElementById(e) : false;
}


fontsize.counter = 0;
fontsize.classNames = new Array('12', '14');

function fontsize($)
{
	 _('fsize').style.fontSize = (function(){
		return function ()
		{
			if ($ == "+")
			{
				fontsize.counter++
				if ( fontsize.counter < fontsize.classNames.length)
				{
					_("fav").src = "img/plus.gif";
					_("minus").src = "img/minus_o.gif";
					return fontsize.classNames[fontsize.counter]
				}
				else
				{
					fontsize.counter = fontsize.classNames.length - 1;
					return fontsize.classNames[fontsize.counter]
				}
			}
			
			if ($ == "-")
			{
				fontsize.counter--
				if ( fontsize.counter > 0 )
				{
					return fontsize.classNames[fontsize.counter]
				}
				else
				{
					_("fav").src = "img/plus_o.gif";
					_("minus").src = "img/minus.gif";
					fontsize.counter = 0;
					return fontsize.classNames[fontsize.counter]
				}
			}
		}();
	})() + "px";
}

//separator

function ddtabcontent(tabinterfaceid){
	this.tabinterfaceid=tabinterfaceid //ID of Tab Menu main container
	this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a") //Get all tab links within container
	this.enabletabpersistence=true
	this.hottabspositions=[] //Array to store position of tabs that have a "rel" attr defined, relative to all tab links, within container
	this.currentTabIndex=0 //Index of currently selected hot tab (tab with sub content) within hottabspositions[] array
	this.subcontentids=[] //Array to store ids of the sub contents ("rel" attr values)
	this.revcontentids=[] //Array to store ids of arbitrary contents to expand/contact as well ("rev" attr values)
	this.selectedClassTarget="link" //keyword to indicate which target element to assign "selected" CSS class ("linkparent" or "link")
}

ddtabcontent.getCookie=function(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 ""
}

ddtabcontent.setCookie=function(name, value){
	document.cookie = name+"="+value+";path=/" //cookie value is domain wide (path=/)
}

ddtabcontent.prototype={

	expandit:function(tabid_or_position){ //PUBLIC function to select a tab either by its ID or position(int) within its peers
		this.cancelautorun() //stop auto cycling of tabs (if running)
		var tabref=""
		try{
			if (typeof tabid_or_position=="string" && document.getElementById(tabid_or_position).getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=document.getElementById(tabid_or_position)
			else if (parseInt(tabid_or_position)!=NaN && this.tabs[tabid_or_position].getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=this.tabs[tabid_or_position]
		}
		catch(err){alert("Invalid Tab ID or position entered!")}
		if (tabref!="") //if a valid tab is found based on function parameter
			this.expandtab(tabref) //expand this tab
	},

	cycleit:function(dir, autorun){ //PUBLIC function to move foward or backwards through each hot tab (tabinstance.cycleit('foward/back') )
		if (dir=="next"){
			var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)? this.currentTabIndex+1 : 0
		}
		else if (dir=="prev"){
			var currentTabIndex=(this.currentTabIndex>0)? this.currentTabIndex-1 : this.hottabspositions.length-1
		}
		if (typeof autorun=="undefined") //if cycleit() is being called by user, versus autorun() function
			this.cancelautorun() //stop auto cycling of tabs (if running)
		this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])
	},

	setpersist:function(bool){ //PUBLIC function to toggle persistence feature
			this.enabletabpersistence=bool
	},

	setselectedClassTarget:function(objstr){ //PUBLIC function to set which target element to assign "selected" CSS class ("linkparent" or "link")
		this.selectedClassTarget=objstr || "link"
	},

	getselectedClassTarget:function(tabref){ //Returns target element to assign "selected" CSS class to
		return (this.selectedClassTarget==("linkparent".toLowerCase()))? tabref.parentNode : tabref
	},

	urlparamselect:function(tabinterfaceid){
		var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)", "i")) //check for "?tabinterfaceid=2" in URL
		return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index
	},

	expandtab:function(tabref){
		var subcontentid=tabref.getAttribute("rel") //Get id of subcontent to expand
		//Get "rev" attr as a string of IDs in the format ",john,george,trey,etc," to easily search through
		var associatedrevids=(tabref.getAttribute("rev"))? ","+tabref.getAttribute("rev").replace(/\s+/, "")+"," : ""
		this.expandsubcontent(subcontentid)
		this.expandrevcontent(associatedrevids)
		for (var i=0; i<this.tabs.length; i++){ //Loop through all tabs, and assign only the selected tab the CSS class "selected"
			this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)? "selected" : ""
		}
		if (this.enabletabpersistence) //if persistence enabled, save selected tab position(int) relative to its peers
			ddtabcontent.setCookie(this.tabinterfaceid, tabref.tabposition)
		this.setcurrenttabindex(tabref.tabposition) //remember position of selected tab within hottabspositions[] array
	},

	expandsubcontent:function(subcontentid){
		for (var i=0; i<this.subcontentids.length; i++){
			var subcontent=document.getElementById(this.subcontentids[i]) //cache current subcontent obj (in for loop)
			subcontent.style.display=(subcontent.id==subcontentid)? "block" : "none" //"show" or hide sub content based on matching id attr value
		}
	},

	expandrevcontent:function(associatedrevids){
		var allrevids=this.revcontentids
		for (var i=0; i<allrevids.length; i++){ //Loop through rev attributes for all tabs in this tab interface
			//if any values stored within associatedrevids matches one within allrevids, expand that DIV, otherwise, contract it
			document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "block" : "none"
		}
	},

	setcurrenttabindex:function(tabposition){ //store current position of tab (within hottabspositions[] array)
		for (var i=0; i<this.hottabspositions.length; i++){
			if (tabposition==this.hottabspositions[i]){
				this.currentTabIndex=i
				break
			}
		}
	},

	autorun:function(){ //function to auto cycle through and select tabs based on a set interval
		this.cycleit('next', true)
	},

	cancelautorun:function(){
		if (typeof this.autoruntimer!="undefined")
			clearInterval(this.autoruntimer)
	},

	init:function(automodeperiod){
		var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid) //get position of persisted tab (applicable if persistence is enabled)
		var selectedtab=-1 //Currently selected tab index (-1 meaning none)
		var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid) //returns null or index from: tabcontent.htm?tabinterfaceid=index
		this.automodeperiod=automodeperiod || 0
		for (var i=0; i<this.tabs.length; i++){
			this.tabs[i].tabposition=i //remember position of tab relative to its peers
			if (this.tabs[i].getAttribute("rel")){
				var tabinstance=this
				this.hottabspositions[this.hottabspositions.length]=i //store position of "hot" tab ("rel" attr defined) relative to its peers
				this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel") //store id of sub content ("rel" attr value)
				this.tabs[i].onclick=function(){
					tabinstance.expandtab(this)
					tabinstance.cancelautorun() //stop auto cycling of tabs (if running)
					return false
				}
				if (this.tabs[i].getAttribute("rev")){ //if "rev" attr defined, store each value within "rev" as an array element
					this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))
				}
				if (selectedtabfromurl==i || this.enabletabpersistence && selectedtab==-1 && parseInt(persistedtab)==i || !this.enabletabpersistence && selectedtab==-1 && this.getselectedClassTarget(this.tabs[i]).className=="selected"){
					selectedtab=i //Selected tab index, if found
				}
			}
		} //END for loop
		if (selectedtab!=-1) //if a valid default selected tab index is found
			this.expandtab(this.tabs[selectedtab]) //expand selected tab (either from URL parameter, persistent feature, or class="selected" class)
		else //if no valid default selected index found
			this.expandtab(this.tabs[this.hottabspositions[0]]) //Just select first tab that contains a "rel" attr
		if (parseInt(this.automodeperiod)>500 && this.hottabspositions.length>1){
			this.autoruntimer=setInterval(function(){tabinstance.autorun()}, this.automodeperiod)
		}
	} //END int() function

} //END Prototype assignment