/* 
	SearchField 
	written by Alen Grakalic, provided by Css Globe (cssglobe.com)
	please visit http://cssglobe.com/post/1202/style-your-websites-search-field-with-jscss/ for more info	
*/

this.searchfield = function(){
	
	var id = "keyword";
	var btnid = "go";
	var defaultText = "Search / Keyword";	
	var suggestion = true;
	var suggestionText = "Revival Ministries, Great Awakening Tour, River Church, River Bible Institute, River School of Worship, Rodney Howard-Browne, Adonica Howard-Browne, Webcast, Live Broadcast, Videos, Itinerary, Events, Giving, Online Giving, Donations, Script, Soulwinning Script, Tools, Soulwinning, Service Times, Downloads, Contact, Sign up, Register, Event Registration, Forgot Password, Gospel Script, Revival Media, Paid In Full, Broadcast, Prayer Request, Survey, Soul Saving Station, S3 Churches, Directors, RBI, Map, Testimony, Hotels";

	var field = document.getElementById(id);	
	var gobutton = document.getElementById(btnid);	
	var classInactive = "sf_inactive";
	var classActive = "sf_active";
	var classText = "sf_text";
	var classSuggestion = "sf_suggestion";
	//this.safari = ((parseInt(navigator.productSub)>=20020000)&&(navigator.vendor.indexOf("Apple Computer")!=-1));
    this.safari = false;
    
	if(gobutton){
		gobutton.onclick = function(){
			location.href="/search.aspx?sq=" + escape(field.value).replace(/\+/g,'%2B').replace(/%20/g, '+').replace(/\*/g, '%2A').replace(/\//g, '%2F').replace(/@/g, '%40');;
		};		
	}

	if(field && !safari){
		field.value = defaultText;
		field.c = field.className;		
		field.className = field.c + " " + classInactive;
		field.onfocus = function(){
			this.className = this.c + " "  + classActive;
			this.value = (this.value == "" || this.value == defaultText) ?  "" : this.value;
		};
		field.onblur = function(){
			this.className = (this.value != "" && this.value != defaultText) ? this.c + " " +  classText : this.c + " " +  classInactive;
			this.value = (this.value != "" && this.value != defaultText) ?  this.value : defaultText;
			clearList();
		};
		if (suggestion){
			var selectedIndex = 0;
			field.setAttribute("autocomplete", "off");
			var div = document.createElement("div");
			var list = document.createElement("ul");
			list.style.display = "none";
			div.className = classSuggestion;
			list.style.width = field.offsetWidth + "px";
			div.appendChild(list);
			field.parentNode.appendChild(div);	

			field.onkeypress = function(e){
				
				var key = getKeyCode(e);
		
				if(key == 13){ // enter
					//selectList();
					//selectedIndex = 0;
        			location.href="/search.aspx?sq=" + escape(field.value).replace(/\+/g,'%2B').replace(/%20/g, '+').replace(/\*/g, '%2A').replace(/\//g, '%2F').replace(/@/g, '%40');;
					return false;
				};	
			};
				
			field.onkeyup = function(e){
			
				var key = getKeyCode(e);
		
				switch(key){
				case 13:
					return false;
					break;			
				case 27:  // esc
					field.value = "";
					selectedIndex = 0;
					clearList();
					break;				
				case 38: // up
					navList("up");
					break;
				case 40: // down
					navList("down");		
					break;
				default:
					startList();			
					break;
				};
			};
			
			this.startList = function(){
				var arr = getListItems(field.value);
				if(field.value.length > 0){
					createList(arr);
				} else {
					clearList();
				};	
			};
			
			this.getListItems = function(value){
				var arr = new Array();
				var src = suggestionText;
				var src = src.replace(/, /g, ",");
				var arrSrc = src.split(",");
				for(i=0;i<arrSrc.length;i++){
					if(arrSrc[i].substring(0,value.length).toLowerCase() == value.toLowerCase()){
						arr.push(arrSrc[i]);
					};
				};				
				return arr;
			};
			
			this.createList = function(arr){				
				resetList();			
				if(arr.length > 0) {
					for(i=0;i<arr.length;i++){				
						li = document.createElement("li");
						a = document.createElement("a");
						a.href = "javascript:void(0);";
						a.i = i+1;
						a.innerHTML = arr[i];
						li.i = i+1;
						li.onmouseover = function(){
							navListItem(this.i);
						};
						a.onmousedown = function(){
							selectedIndex = this.i;
							selectList(this.i);		
							return false;
						};					
						li.appendChild(a);
						list.setAttribute("tabindex", "-1");
						list.appendChild(li);	
					};	
					list.style.display = "block";				
				} else {
					clearList();
				};
			};	
			
			this.resetList = function(){
				var li = list.getElementsByTagName("li");
				var len = li.length;
				for(var i=0;i<len;i++){
					list.removeChild(li[0]);
				};
			};
			
			this.navList = function(dir){			
				selectedIndex += (dir == "down") ? 1 : -1;
				li = list.getElementsByTagName("li");
				if (selectedIndex < 1) selectedIndex =  li.length;
				if (selectedIndex > li.length) selectedIndex =  1;
				navListItem(selectedIndex);
			};
			
			this.navListItem = function(index){	
				selectedIndex = index;
				li = list.getElementsByTagName("li");
				for(var i=0;i<li.length;i++){
					li[i].className = (i==(selectedIndex-1)) ? "selected" : "";
				};
			};
			
			this.selectList = function(){
				li = list.getElementsByTagName("li");	
				a = li[selectedIndex-1].getElementsByTagName("a")[0];
				field.value = a.innerHTML;
				clearList();
			};			
		};
	};
	
	this.clearList = function(){
		if(list){
			list.style.display = "none";
			selectedIndex = 0;
		};
	};		
	this.getKeyCode = function(e){
		var code;
		if (!e) var e = window.event;
		if (e.keyCode) code = e.keyCode;
		return code;
	};
	
};

// script initiates on page load. 

this.addEvent = function(obj,type,fn){
	if(obj.attachEvent){
		obj['e'+type+fn] = fn;
		obj[type+fn] = function(){obj['e'+type+fn](window.event );}
		obj.attachEvent('on'+type, obj[type+fn]);
	} else {
		obj.addEventListener(type,fn,false);
	};
};
addEvent(window,"load",searchfield);