function StateSuggestions() {}

StateSuggestions.prototype.requestSuggestions = function (oAutoSuggestControl,bTypeAhead){
	//alert(oAutoSuggestControl.textbox.name)
    var aSuggestions = [];
    var sTextboxValue = oAutoSuggestControl.textbox.value;
	z= 0;
    sTextboxValue = trim(sTextboxValue);
	if (sTextboxValue.length > 0){
		sTextboxValue = sTextboxValue.toLowerCase();
		if(oAutoSuggestControl.textbox.name=='area')
		{	z=0;
			for (var i=0; i < area_sug.length; i++){
				t_area=area_sug[i].toLowerCase();
				if(t_area.indexOf(sTextboxValue) == 0){
					aSuggestions.push(area_sug[i]);
					z= z+1;
				} 
				if(z == 15){
				break;
				}
			}
		}else{
			for (var i=0; i < area_sug_cat.length; i++)
			{		
				area_sugsck = area_sug_cat[i].toLowerCase();
				if(area_sugsck.indexOf(sTextboxValue) == 0){
					aSuggestions.push(area_sug_cat[i]);
					z= z+1;
				} 
			}
		}
    }
    oAutoSuggestControl.autosuggest(aSuggestions, bTypeAhead);
};


function AutoSuggestControl(oTextbox /*:HTMLInputElement*/, 
                            oProvider /*:SuggestionProvider*/) {
    this.cur /*:int*/ = -1;
    this.layer = null;
    this.provider /*:SuggestionProvider*/ = oProvider;
    this.textbox /*:HTMLInputElement*/ = oTextbox;
    this.init();
}
AutoSuggestControl.prototype.autosuggest = function (aSuggestions /*:Array*/,
                                                     bTypeAhead /*:boolean*/) {
    
    if (aSuggestions.length > 0) {
        if (bTypeAhead) {
           this.typeAhead(aSuggestions[0]);
        }
        
        this.showSuggestions(aSuggestions);
    } else {
        this.hideSuggestions();
    }
};
AutoSuggestControl.prototype.createDropDown = function () {
    var oThis = this;
    this.layer = document.createElement("div");
    this.layer.className = "suggestions";
    this.layer.style.visibility = "hidden";
    if(this.textbox.name == 'area'){
	var val = navigator.userAgent; 
        
	  if(val.indexOf("MSIE") != -1)
      { //alert('ie');
       this.layer.style.width = 91;
      } 
   if(val.indexOf("Firefox") != -1)
      {  //alert('firefox');
       this.layer.style.width = 130;
      } 
	}else{
	this.layer.style.width = this.textbox.offsetWidth};
    this.layer.onmousedown = 
    this.layer.onmouseup = 
    this.layer.onmouseover = function (oEvent) {
        oEvent = oEvent || window.event;
        oTarget = oEvent.target || oEvent.srcElement;
		
		  if (oEvent.type == "mousedown") {
          
		if(oTarget.firstChild.nodeValue == null ){
			   val = "";
		  }else{
		 val = oTarget.firstChild.nodeValue;
		 	}
			oThis.textbox.value = val;
			//document.justDial.intermid.value="true";
            oThis.hideSuggestions();

        } else if (oEvent.type == "mouseover") {
            oThis.highlightSuggestion(oTarget);
        } else {
            oThis.textbox.focus();
        }
    };
    document.body.appendChild(this.layer);
};
AutoSuggestControl.prototype.getLeft = function () /*:int*/ {
    var oNode = this.textbox;
    var iLeft = 0;
    while(oNode.tagName != "BODY") {
        iLeft += oNode.offsetLeft;
        oNode = oNode.offsetParent;        
    }
    return iLeft;
};
AutoSuggestControl.prototype.getTop = function () /*:int*/ {
    var oNode = this.textbox;
    var iTop = 0;
    while(oNode.tagName != "BODY") {
        iTop += oNode.offsetTop;
        oNode = oNode.offsetParent;
    }
    return iTop;
};
AutoSuggestControl.prototype.handleKeyDown = function (oEvent /*:Event*/) {
    switch(oEvent.keyCode) {
        case 38: //up arrow
            this.previousSuggestion();
            break;
        case 40: //down arrow 
            this.nextSuggestion();
            break;
        case 13: //enter
            this.hideSuggestions();
            break;
    }

};
AutoSuggestControl.prototype.handleKeyUp = function (oEvent /*:Event*/) {
    var iKeyCode = oEvent.keyCode;
    if (iKeyCode == 8 || iKeyCode == 46) {
        this.provider.requestSuggestions(this, false);
    } else if (iKeyCode < 32 || (iKeyCode >= 33 && iKeyCode < 46) || (iKeyCode >= 112 && iKeyCode <= 123)) {
    } else {
        this.provider.requestSuggestions(this, true);
    }
};
AutoSuggestControl.prototype.hideSuggestions = function () {
    this.layer.style.visibility = "hidden";
};
AutoSuggestControl.prototype.highlightSuggestion = function (oSuggestionNode) {
    for (var i=0; i < this.layer.childNodes.length; i++) {
        var oNode = this.layer.childNodes[i];
        if (oNode == oSuggestionNode) {
            oNode.className = "current"
        } else if (oNode.className == "current") {
            oNode.className = "";
        }
    }
};
AutoSuggestControl.prototype.init = function () {
    var oThis = this;
    this.textbox.onkeyup = function (oEvent) {
        if (!oEvent) {
            oEvent = window.event;
        }    
        oThis.handleKeyUp(oEvent);
    };
    this.textbox.onkeydown = function (oEvent) {
        if (!oEvent) {
            oEvent = window.event;
        }    
        oThis.handleKeyDown(oEvent);
    };
    this.textbox.onblur = function () {
        oThis.hideSuggestions();
    };
    this.createDropDown();
};
AutoSuggestControl.prototype.nextSuggestion = function () {
    var cSuggestionNodes = this.layer.childNodes;
    if (cSuggestionNodes.length > 0 && this.cur < cSuggestionNodes.length-1) {
        var oNode = cSuggestionNodes[++this.cur];
        this.highlightSuggestion(oNode);
        this.textbox.value = oNode.firstChild.nodeValue; 
    }
};
AutoSuggestControl.prototype.previousSuggestion = function () {
    var cSuggestionNodes = this.layer.childNodes;
    if (cSuggestionNodes.length > 0 && this.cur > 0) {
        var oNode = cSuggestionNodes[--this.cur];
        this.highlightSuggestion(oNode);
       this.textbox.value = oNode.firstChild.nodeValue;   
    }
};
AutoSuggestControl.prototype.selectRange = function (iStart /*:int*/, iLength /*:int*/) {
    if (this.textbox.createTextRange) {
        var oRange = this.textbox.createTextRange(); 
        oRange.moveStart("character", iStart); 
        oRange.moveEnd("character", iLength - this.textbox.value.length);      
        oRange.select();
    } else if (this.textbox.setSelectionRange) {
        this.textbox.setSelectionRange(iStart, iLength);
    }     
    this.textbox.focus();      
}; 
AutoSuggestControl.prototype.showSuggestions = function (aSuggestions /*:Array*/) {
    var oDiv = null;
    this.layer.innerHTML = "";  //clear contents of the layer
    for (var i=0; i < aSuggestions.length; i++) {
        oDiv = document.createElement("div");
        oDiv.appendChild(document.createTextNode(aSuggestions[i]));
        this.layer.appendChild(oDiv);
    }
    this.layer.style.left = this.getLeft() + "px";
    this.layer.style.top = (this.getTop()+this.textbox.offsetHeight) + "px";
    this.layer.style.visibility = "visible";
};
AutoSuggestControl.prototype.typeAhead = function (sSuggestion /*:String*/) {
    if (this.textbox.createTextRange || this.textbox.setSelectionRange){
        var iLen = this.textbox.value.length; 
		//this.textbox.value = sSuggestion; 
        this.selectRange(iLen, sSuggestion.length);
    }
};