var req;
//var collection;
var customarray;
var customarray1;
var customarray2;
/*  Variables  */
var actb_timeOut = -1; // Autocomplete Timeout in ms (-1: autocomplete never time out)
var actb_lim = 4;    // Number of elements autocomplete can show (-1: no limit)
var actb_firstText = false; // should the auto complete be limited to the beginning of keyword?
/*  Variables  */

/*  Styles  */
var actb_bgColor = '#ccc5ee';
var actb_textColor = '#000000';
var actb_hColor = '#ffcc10';
//var actb_hColor = '#dd5f31';
var actb_fFamily = 'Verdana';
var actb_fSize = '11px';
var actb_hStyle = 'text-decoration:underline;font-weight="bold"';
/*  Styles  */

/*  Constants  */
var actb_keywords = new Array();
var actb_display = false;
var actb_pos = 0;
var actb_total = 0;
var actb_curr = null;
var actb_rangeu = 0;
var actb_ranged = 0;
var actb_bool = new Array();
var actb_pre = 0;
var actb_toid;
var actb_tomake = false;
//var customarray = new Array();
//var customarray1 = new Array();
var para_url;
/*  Constants  */


function getdata(url)
{
	//var url = "http://192.168.14.125/ajaxtst.asp";
	//var url = "www.batchmates.com/ajaxtst.asp";
	para_url = url;
	if (window.XMLHttpRequest) 
	{ 
		req = new XMLHttpRequest(); 
		req.onreadystatechange = processReqChange; 
		req.open("GET", url, true); 
		req.send(null); 
	} 
	else if (window.ActiveXObject) 
	// branch for IE/Windows ActiveX version 
	{ 
		req = new ActiveXObject("Microsoft.XMLHTTP"); 
		if (req) { 
			req.onreadystatechange = processReqChange; 
			req.open("GET", url, true); 
			req.send(); 
			}
	} 
}
function processReqChange() {
if (req.readyState == 4) 
	{ // Complete
	if (req.status == 200) { // OK response
		var cities = req.responseText;
//		collection = cities.split(",");
		if ( para_url.indexOf("getstate.aspx")>=0)
		{
			customarray1 = cities.split(",");
		}
		else if ( para_url.indexOf("getInstitutes.aspx")>=0)
		{
		    customarray2 = cities.split(",");
		}
		else 
		{
			customarray = cities.split(",");
		}
	} else 
	{
		alert("Problem: " + req.statusText);
	}
	}
}


//var customarray=new Array('apple','alligator','elephant','elegant', 'orange', 'pear','kingbird','kingbolt','kingcraft','kingcup','kingdom','kingfisher','kingpin');


function actb_parse(n){
    var t = escape(actb_curr.value);
    var tobuild = '';
    var i;
    
    if (actb_firstText){
        var re = new RegExp("^" + t, "i");
    }else{
        var re = new RegExp(t, "i");
    }
    var p = n.search(re);
    
    for (i=0;i<p;i++){
        tobuild += n.substr(i,1);
    }
    tobuild += ""
    for (i=p;i<t.length+p;i++){
        tobuild += n.substr(i,1);
    }
    tobuild += "";
    for (i=t.length+p;i<n.length;i++){
        tobuild += n.substr(i,1);
    }
    return tobuild;
}
function actb_generate(){

    if (document.getElementById('tat_table')) document.body.removeChild(document.getElementById('tat_table'));
    a = document.createElement('table');
      
    a.cellSpacing='1px';
    a.cellPadding='2px';
    a.style.position='absolute';
    
   
    a.style.top = eval(curTop() + actb_curr.offsetHeight) + "px";
    a.style.left = curLeft() + "px";
    a.style.backgroundColor=actb_bgColor;
    a.id = 'tat_table';
    document.body.appendChild(a);
    var i;
    var first = true;
    var j = 1;
    actb_display = false;
    var counter = 0;
    for (i=0;i<actb_keywords.length;i++){
        if (actb_bool[i]){
            counter++;
            r = a.insertRow(-1);
            if (first && !actb_tomake){
                r.style.backgroundColor = actb_hColor;
                first = false;
                actb_pos = counter;
            }else if(actb_pre == i){
                r.style.backgroundColor = actb_hColor;
                first = false;
                actb_pos = counter;
            }else{
                r.style.backgroundColor = actb_bgColor;
            }
            r.id = 'tat_tr'+(j);
            c = r.insertCell(-1);
            c.style.color = actb_textColor;
            c.style.fontFamily = actb_fFamily;
            c.style.fontSize = actb_fSize;
            c.innerHTML = unescape(actb_parse(actb_keywords[i]));
            c.id = 'tat_td'+(j);
            j++;
            actb_display = true;
           
        }
        if (j - 1 == actb_lim && j < actb_total){
            r = a.insertRow(-1);
            r.style.backgroundColor = actb_bgColor;
            c = r.insertCell(-1);
            c.style.color = actb_textColor;
            c.style.fontFamily = 'arial narrow';
            c.style.fontSize = actb_fSize;
            c.align='center';
            c.innerHTML = '\\/';
            break;
        }
    }
   
    actb_rangeu = 1;
    actb_ranged = j-1;
    
    
    if (actb_pos <= 0) actb_pos = 1;
}
function curTop(){
    actb_toreturn = 0;
    obj = actb_curr;
    while(obj){
        actb_toreturn += obj.offsetTop;
        obj = obj.offsetParent;
    }
    return actb_toreturn;
}
function curLeft(){
    actb_toreturn = 0;
    obj = actb_curr;
    while(obj){
        actb_toreturn += obj.offsetLeft;
        obj = obj.offsetParent;
    }
    return actb_toreturn;
}
function actb_remake(){
    document.body.removeChild(document.getElementById('tat_table'));
    a = document.createElement('table');
    a.cellSpacing='1px';
    a.cellPadding='2px';
    a.style.position='absolute';
     a.style.zIndex=200;
  
    a.style.top = eval(curTop() + actb_curr.offsetHeight) + "px";
    a.style.left = curLeft() + "px";
    a.style.backgroundColor=actb_bgColor;
    a.id = 'tat_table';
    document.body.appendChild(a);
    var i;
    var first = true;
    var j = 1;
    if (actb_rangeu > 1){
        r = a.insertRow(-1);
        r.style.backgroundColor = actb_bgColor;
        c = r.insertCell(-1);
        
        c.style.color = actb_textColor;
        c.style.fontFamily = 'arial narrow';
        c.style.fontSize = actb_fSize;
        c.align='center';
        c.innerHTML = '/\\';
    }
    for (i=0;i<actb_keywords.length;i++){
        if (actb_bool[i]){
            if (j >= actb_rangeu && j <= actb_ranged){
                r = a.insertRow(-1);
                r.style.backgroundColor = actb_bgColor;
                r.id = 'tat_tr'+(j);
                c = r.insertCell(-1);
                c.style.color = actb_textColor;
                c.style.fontFamily = actb_fFamily;
                c.style.fontSize = actb_fSize;
                c.innerHTML = unescape(actb_parse(actb_keywords[i]));
                c.id = 'tat_td'+(j);
                j++;
            }else{
                j++;
            }
        }
        if (j > actb_ranged) break;
    }
    if (j-1 < actb_total){
        r = a.insertRow(-1);
        r.style.backgroundColor = actb_bgColor;
        c = r.insertCell(-1);
        c.style.color = actb_textColor;
        c.style.fontFamily = 'arial narrow';
        c.style.fontSize = actb_fSize;
        c.align='center';
        c.innerHTML = '\\/';
    }
}
function actb_goup(){
    if (!actb_display) return;
    if (actb_pos == 1) return;
    document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_bgColor;
    actb_pos=actb_pos-1;
    if (actb_pos < actb_rangeu) actb_moveup();
    document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_hColor;
    if (actb_toid) clearTimeout(actb_toid);
    if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
}
function actb_godown(){
    if (!actb_display) return;  
   
    if (actb_pos == actb_total) return;    
    document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_bgColor;
    actb_pos++;
    if (actb_pos > actb_ranged) actb_movedown();
    document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_hColor;
    if (actb_toid) clearTimeout(actb_toid);
    if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
}
function actb_movedown(){
    actb_rangeu=actb_rangeu+1;
    actb_ranged=actb_ranged+1;
    actb_remake();
}
function actb_moveup(){
    actb_rangeu=actb_rangeu-1;
    actb_ranged=actb_ranged-1;
    actb_remake();
}
function actb_penter(){
    if (!actb_display) return;
    actb_display = false;
    var word = '';
    var c = 0;
    for (var i=0;i<=actb_keywords.length;i++){
        if (actb_bool[i]) c++;
        if (c == actb_pos){
            word = actb_keywords[i];
            break;
        }
    }
    a = word;//actb_keywords[actb_pos-1];//document.getElementById('tat_td'+actb_pos).;
    actb_curr.value = unescape(a);
    actb_removedisp();
}
function actb_removedisp(){
    actb_display = false;
    if (document.getElementById('tat_table')) document.body.removeChild(document.getElementById('tat_table'));
    if (actb_toid) clearTimeout(actb_toid);
}
function actb_checkkey(evt){
    a = evt.keyCode;
    if (a == 38){ // up key
        actb_goup();
    }else if(a == 40){ // down key
        actb_godown();
    }else if(a == 13){
        actb_penter();
    }
}
function actb_tocomplete(sndr,evt,arr){
    if (arr) actb_keywords = arr;    
    if (evt.keyCode == 38 || evt.keyCode == 40 || evt.keyCode == 13) return;
    var i;
    if (actb_display){ 
        var word = 0;
        var c = 0;
        for (var i=0;i<=actb_keywords.length;i++){
            if (actb_bool[i]) c++;
            if (c == actb_pos){
                word = i;
                break;
            }
        }
        actb_pre = word;//actb_pos;
    }else{ actb_pre = -1};
    
    if (!sndr) var sndr = evt.srcElement;
    actb_curr = sndr;
    
    if (sndr.value == ''){
        actb_removedisp();
        return;
    }
    var t = escape(sndr.value);

   // if (actb_firstText){
        var re = new RegExp("^" + t, "i");
   // }else{
   //     var re = new RegExp(t, "i");
   // }
    
    actb_total = 0;
    actb_tomake = false;
    for (i=0;i<actb_keywords.length;i++){
        actb_bool[i] = false;
        
        if (re.test(actb_keywords[i])){
            
            actb_total++;
            actb_bool[i] = true;
            if (actb_pre == i) actb_tomake = true;
        }
    }
    
    if (actb_toid) clearTimeout(actb_toid);
    if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
   
    actb_generate(actb_bool);
   
    
}