function getFileExtension(filename)
{
  var ext = /(^.+)\.([^.]+)$/.exec(filename);
  return ext;
}


	var prepare_slider = function(){
		
		var x_pos = 0;
		var li_items_n = 0;	
		var right_clicks = 0;
		var viewWindow = 7;
		var left_clicks = 0;
		
		var li_col = jQuery("#slider_list li");
	
		li_col.each(function(index){
			//size = li.getSize();
			x_pos += jQuery(this).width();

			li_items_n++;
			
			jQuery(this, "img").css('cursor','pointer');
			
		
		
		})
		
		
		right_clicks = li_items_n - viewWindow;
		total_clicks = li_items_n - viewWindow;
		
		jQuery('#slider_list').css('position','relative');
		jQuery('#slider_list').css('left','0px');
		jQuery('#slider_list').css('width', x_pos+'px');
		
		
		
		

	
		var is_playing = false;

		var completed = function() { is_playing = false; }

		jQuery('#left_but').click( function(){
												 
			
			cur_offset = jQuery('#slider_list').position().left;
			

			
			
if (!is_playing)									 {
			
			if (left_clicks > 0) {is_playing = true; jQuery('#slider_list').animate({'left': cur_offset + 152 + 'px'}, 700, "linear", completed); right_clicks++; left_clicks--;} else {is_playing = true; jQuery('#slider_list').animate({'left':    -152*total_clicks	+ 'px'}, 700, "linear", completed); right_clicks = 0; left_clicks = total_clicks;}
}
		});

		jQuery('#right_but').click( function(){

			if (!is_playing)									 {
			
			cur_offset = jQuery('#slider_list').position().left;
			
			 if (right_clicks > 0) {is_playing = true; jQuery('#slider_list').animate({'left': cur_offset - 152 + 'px'},700, "linear", completed ); right_clicks--; left_clicks++; } else { is_playing = true; jQuery('#slider_list').animate({'left':    0	+ 'px'},700, "linear", completed ); left_clicks = 0; right_clicks = total_clicks;}
			 
												  }
			 });	
		
	}



//Drop Down Tabs Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Created: May 16th, 07'

var tabdropdown={
	disappeardelay: 200, //set delay in miliseconds before menu disappears onmouseout
	disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
	enableiframeshim: 1, //1 or 0, for true or false

	//No need to edit beyond here////////////////////////
	dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, previousmenuitem:null,
	currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), //get current page url (minus hostname, ie: http://www.dynamicdrive.com/)

	getposOffset:function(what, offsettype){
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
			while (parentEl!=null){
				totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
				parentEl=parentEl.offsetParent;
			}
		return totaloffset;
	},

	showhide:function(obj, e, obj2){ //obj refers to drop down menu, obj2 refers to tab menu item mouse is currently over
		if (this.ie || this.firefox)
			this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
			if (obj2.parentNode.className.indexOf("default")==-1)
				{//if tab isn't a default selected one
					//obj2.parentNode.className="selected"
					obj.visibility="visible";
					obj.display =  "block";
				}
			}
			else if (e.type=="click")
			{
			obj.visibility="hidden";
			obj.display =  "none";
			}
	},

	iecompattest:function(){
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	},

	clearbrowseredge:function(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
			var windowedge=this.ie && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
		if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
			edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
		}
		else{
			var topedge=this.ie && !window.opera? this.standardbody.scrollTop : window.pageYOffset
			var windowedge=this.ie && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
			if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
				edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
				if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
					edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
			}
			this.dropmenuobj.firstlink.style.borderTopWidth=(edgeoffset==0)? 0 : "1px" //Add 1px top border to menu if dropping up
		}
		return edgeoffset
	},

	dropit:function(obj, e, dropmenuID){
		if (this.dropmenuobj!=null){ //hide previous menu
			this.dropmenuobj.style.visibility="hidden" //hide menu
			if (this.previousmenuitem!=null && this.previousmenuitem!=obj){
				if (this.previousmenuitem.parentNode.className.indexOf("default")==-1) //If the tab isn't a default selected one
					this.previousmenuitem.parentNode.className=""
			}
		}
		this.clearhidemenu()
		if (this.ie||this.firefox){
			obj.onmouseout=function(){tabdropdown.delayhidemenu(obj)}
			obj.onclick=function(){return !tabdropdown.disablemenuclick} //disable main menu item link onclick?
			this.dropmenuobj=document.getElementById(dropmenuID)
			this.dropmenuobj.onmouseover=function(){tabdropdown.clearhidemenu()}
			this.dropmenuobj.onmouseout=function(e){tabdropdown.dynamichide(e, obj)}
			this.dropmenuobj.onclick=function(){tabdropdown.delayhidemenu(obj)}
			this.showhide(this.dropmenuobj.style, e, obj)
			this.dropmenuobj.x=this.getposOffset(obj, "left")
			this.dropmenuobj.y=this.getposOffset(obj, "top")
			this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
			this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
			this.previousmenuitem=obj //remember main menu item mouse moved out from (and into current menu item)
			this.positionshim() //call iframe shim function
		}
	},

	contains_firefox:function(a, b) {
		while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
		return false;
	},

	dynamichide:function(e, obj2){ //obj2 refers to tab menu item mouse is currently over
		var evtobj=window.event? window.event : e
		if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
			this.delayhidemenu(obj2)
		else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
			this.delayhidemenu(obj2)
	},

	delayhidemenu:function(obj2){
		this.delayhide=setTimeout(function(){tabdropdown.dropmenuobj.style.visibility='hidden'; },this.disappeardelay) //hide menu
	},

	clearhidemenu:function(){
		if (this.delayhide!="undefined")
			clearTimeout(this.delayhide)
	},

	positionshim:function(){ //display iframe shim function
		if (this.enableiframeshim && typeof this.shimobject!="undefined"){
			if (this.dropmenuobj.style.visibility=="visible"){
				this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
				this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
				this.shimobject.style.left=this.dropmenuobj.style.left
				this.shimobject.style.top=this.dropmenuobj.style.top
			}
		this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
		}
	},

	hideshim:function(){
		if (this.enableiframeshim && typeof this.shimobject!="undefined")
			this.shimobject.style.display='none'
	},

isSelected:function(menuurl){
	var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
	return (tabdropdown.currentpageurl==menuurl)
},

	init:function(menuid, dselected){
		this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
		var menuitems=document.getElementById(menuid).getElementsByTagName("a")
		for (var i=0; i<menuitems.length; i++){
			if (menuitems[i].getAttribute("rel")){
				var relvalue=menuitems[i].getAttribute("rel")
				document.getElementById(relvalue).firstlink=document.getElementById(relvalue).getElementsByTagName("a")[0]
				menuitems[i].onmouseover=function(e){
					var event=typeof e!="undefined"? e : window.event
					tabdropdown.dropit(this, event, this.getAttribute("rel"))
				}
			}
			if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[i].href)){
			
		//		alert(i);
				menuitems[i].parentNode.className+=" catagories2";
				var setalready=true
			}
			else if (parseInt(dselected)==i)
			{
	//			alert(i+"here");
//				menuitems[i].parentNode.className+=" catagories2";
			}
		}
	}

}
function xmlhttpPost(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
			if(strURL=='models.php'){
	            updatepage2(self.xmlHttpReq.responseText);
			}
			else
			{
			    updatepage(self.xmlHttpReq.responseText);
			}	
        }
    }
	if(strURL=='addYMM.php')
	{
	    self.xmlHttpReq.send(getquerystring());
	}
	else if(strURL=='models.php')
	{
		self.xmlHttpReq.send(getquerystring3());
	}
	else
	{
	    self.xmlHttpReq.send();
	}
}

function getquerystring() {
    var form     = document.forms['myform'];
    var brands = form.brands.value;
	var product_id = form.product_id.value;
	var model = form.model.value;
    var StartYear = form.StartYear.value;
    var EndYear = form.EndYear.value;
    qstr = 'EndYear=' + escape(EndYear);
	qstr += '&brands=' + escape(brands);
	qstr += '&model=' + escape(model);
	qstr += '&product_id=' + escape(product_id);
	qstr += '&StartYear=' + escape(StartYear);
    return qstr;
}
function getquerystring3() {
    var form     = document.forms['myform'];
    var brands = form.brands.value;
	qstr = 'brands=' + escape(brands);
    return qstr;
}

function updatepage(str){
    document.getElementById("result").innerHTML = '<li><table><tr><th>Year</th><th>Make</th><th>Model</th><th>Delete</th></tr></table></li>'+str;
}
function updatepage2(str){
    document.getElementById("models").innerHTML = str;
}