/* ---- 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?
var actb_mouse = true; // Enable Mouse Support
/* ---- Variables ---- */

/* --- Styles --- */
var actb_bgColor = '#FFFFFF';
var actb_textColor = '#444444';
var actb_hColor = '#D6D6D6';
var actb_fFamily = 'Arial, Verdana, Helvetica, sans-serif';
var actb_fSize = '12px';
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 actb_getpre = "";
var actb_mouse_on_list = true;

/* ---- Constants ---- */



var browserSperre = false;

var fullFunction= true;
var winIE       = false;
var macIE       = false;
var macNetscape = false;

if(navigator.platform.indexOf("Mac")>=0){
    if(navigator.userAgent.indexOf("MSIE")>=0){
            macIE = true;
            fullFunction = false;
    }
    else{    
        if(navigator.userAgent.indexOf("Netscape")>=0){
            macNetscape = true;
            fullFunction = false;
        }
    }
}
//else{
//    macNetscape = true;
//    fullFunction = false;
//}




function addValue(element,evt){
	if (!element) var element = evt.srcElement;

        var elementValue=element.value;
        if(elementValue.length>0){
            elementValue = elementValue.replace(/'/,"");
            elementValue = elementValue.replace(/"/,"");
        
            var found=false;
            for(i=0;i<autoCompleteArray.length;i++){
                if(elementValue==autoCompleteArray[i]){
                    found=true;
                }
            }
            if(!found){
                autoCompleteArray[autoCompleteArray.length]=elementValue;
            }
        }
}


function autoCompleteMac(element,event,autoCompleteArray){
    if(macNetscape){  
        var rueckgabe = autocomplete(element, event, autoCompleteArray);        
        addValue(element,event);
        return rueckgabe;
    }
    return true;
}

function autoCompleteKeyDown(event){
    if(fullFunction){
        actb_checkkey(event);
    }
}

function autoCompleteKeyUp(element,event,autoCompleteArray){
    if(fullFunction){
        actb_tocomplete(element,event,autoCompleteArray);
    }
}

function autoCompleteOnBlur(element,event){
    if(fullFunction){
        actb_removedisp(element);
        addValue(element,event);
    }
}








function actb_parse(n){
	var t = actb_curr.value.replace("'","\'");
	t = t.replace('"','\"');
	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 += "<font style='"+(actb_hStyle)+"'>"
	for (i=p;i<t.length+p;i++){
		tobuild += n.substr(i,1);
	}
	tobuild += "</font>";
	for (i=t.length+p;i<n.length;i++){
		tobuild += n.substr(i,1);
	}
	return tobuild;
}
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_generate(actb_bool){
	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';
    if (actb_mouse){
        a.onmouseover = actb_table_focus;
        a.onmouseout= actb_table_unfocus;
    }
	document.body.appendChild(a);
	var i;
	var first = true;
	var j = 1;

	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 = actb_parse(actb_keywords[i]);
			c.mouseover = "alert()";
			c.id = 'tat_td'+(j);
			if (actb_mouse) c.onclick=actb_mouseclick;
			j++;
		}
		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 = '\\/';
			if (actb_mouse){
				c.onclick = actb_mouse_down;
			}
			break;
		}
	}
	actb_rangeu = 1;
	actb_ranged = j-1;
	actb_display = true;
	if (actb_pos <= 0) actb_pos = 1;
}
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.top = eval(curTop() + actb_curr.offsetHeight) + "px";
	a.style.left = curLeft() + "px";
	a.style.backgroundColor=actb_bgColor;
	a.id = 'tat_table';
    if (actb_mouse){
        a.onmouseover = actb_table_focus;
        a.onmouseout= actb_table_unfocus;
    }
	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 = '/\\';
		if (actb_mouse){
			c.onclick = actb_mouse_up;
		}
	}
	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 = actb_parse(actb_keywords[i]);
				c.id = 'tat_td'+(j);
				if (actb_mouse) c.onclick=actb_mouseclick;
				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 = '\\/';
		if (actb_mouse){
			c.onclick = actb_mouse_down;
		}
	}
}
function actb_goup(){
	if (!actb_display) return;
	if (actb_pos == 1) return;
	document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_bgColor;
	actb_pos--;
	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_ranged++;
	actb_remake();
}
function actb_moveup(){
	actb_rangeu--;
	actb_ranged--;
	actb_remake();
}
function actb_mclick(n){
	if (!actb_display) return;
	actb_display = 0;
	var word = '';
	var c = 0;
	for (var i=0;i<=actb_keywords.length;i++){
		if (actb_bool[i]) c++;
		if (c == n){
			word = actb_keywords[i];
			break;
		}
	}
	a = word;//actb_keywords[actb_pos-1];//document.getElementById('tat_td'+actb_pos).;
	actb_curr.value = a;
	actb_removedisp();
}

/* Mouse */
function actb_mouse_down(){
	document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_bgColor;
	actb_pos++;
	actb_movedown();
	document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_hColor;
	actb_curr.focus();
	actb_moue_on_list = 0;
	if (actb_toid) clearTimeout(actb_toid);
	if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
}
function actb_mouse_up(){
	document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_bgColor;
	actb_pos--;
	actb_moveup();
	document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_hColor;
	actb_curr.focus();
	actb_moue_on_list = 0;
	if (actb_toid) clearTimeout(actb_toid);
	if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
}
function actb_mouseclick(){
	if (!actb_display) return;
	actb_mouse_on_list = 0;
	actb_display = 0;
	actb_curr.value = this.innerText;
	actb_removedisp();
}
function actb_table_focus(){
	actb_mouse_on_list = 1;
}
function actb_table_unfocus(){
	actb_mouse_on_list = 0;
	if (actb_toid) clearTimeout(actb_toid);
	if (actb_timeOut > 0) actb_toid = setTimeout("actb_removedisp()",actb_timeOut);
}
/* ---- */
function actb_penter(){
	if (!actb_display) return;
	actb_display = 0;
	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 = a;
	actb_removedisp();
}
function actb_removedisp(){
            if (!actb_mouse_on_list) {                
                    actb_display = 0;
                    if (document.getElementById('tat_table')) document.body.removeChild(document.getElementById('tat_table'));
                    if (actb_toid) clearTimeout(actb_toid);
            }
            else{
                //Hier war leer -> geaendert
                actb_display = 0;
                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 = sndr.value.replace("'","\'");
            t = t.replace('"','\"');
            if (actb_firstText){
                    var re = new RegExp("^" + t, "i");
            }else{
                    //nur Anfangswoerter
                    var re = new RegExp("^" +t, "i");
                    //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);
}



/* ---- fuer MAC IE und Netscape ---- */

var isOpera = navigator.userAgent.indexOf("Opera") > -1; 
var isIE = navigator.userAgent.indexOf("MSIE") > 1 && !isOpera; 
var isMoz = navigator.userAgent.indexOf("Mozilla/5.") == 0 && !isOpera; 

function textboxSelect (oTextbox, iStart, iEnd) { 

   switch(arguments.length) { 
       case 1: 
           oTextbox.select(); 
           break; 

       case 2: 
           iEnd = oTextbox.value.length; 
           /* falls through */ 
            
       case 3:          
           if (isIE) { 
               var oRange = oTextbox.createTextRange(); 
               oRange.moveStart("character", iStart); 
               oRange.moveEnd("character", -oTextbox.value.length + iEnd);      
               oRange.select();                                              
           } else if (isMoz){ 
               oTextbox.setSelectionRange(iStart, iEnd); 
           }                     
   } 

   oTextbox.focus(); 
} 

function textboxReplaceSelect (oTextbox, sText) { 

   if (isIE) { 
       var oRange = document.selection.createRange(); 
       oRange.text = sText; 
       oRange.collapse(true); 
       oRange.select();                                 
   } else if (isMoz) { 
       var iStart = oTextbox.selectionStart; 
       oTextbox.value = oTextbox.value.substring(0, iStart) + sText + oTextbox.value.substring(oTextbox.selectionEnd, oTextbox.value.length); 
       oTextbox.setSelectionRange(iStart + sText.length, iStart + sText.length); 
   } 

   oTextbox.focus(); 
} 

function autocompleteMatch (sText, arrValues) { 

   for (var i=0; i < arrValues.length; i++) { 
       if (arrValues[i].indexOf(sText) == 0) { 
           return arrValues[i]; 
       } 
   } 

   return null; 

} 

function autocomplete(oTextbox, oEvent, arrValues) { 

   switch (oEvent.keyCode) { 
       case 38: //up arrow  
       case 40: //down arrow 
       case 37: //left arrow 
       case 39: //right arrow 
       case 33: //page up  
       case 34: //page down  
       case 36: //home  
       case 35: //end                  
       case 13: //enter  
       case 9: //tab  
       case 27: //esc  
       case 16: //shift  
       case 17: //ctrl  
       case 18: //alt  
       case 20: //caps lock 
       case 8: //backspace  
       case 46: //delete 
           return true; 
           break; 

       default: 
           textboxReplaceSelect(oTextbox, String.fromCharCode(isIE ? oEvent.keyCode : oEvent.charCode)); 
           var iLen = oTextbox.value.length; 

           var sMatch = autocompleteMatch(oTextbox.value, arrValues); 

           if (sMatch != null) { 
               oTextbox.value = sMatch; 
               textboxSelect(oTextbox, iLen, oTextbox.value.length); 
           }  
           
           return false; 
   } 
}