//-------------------------------------------------------------------------------
// Copyright (C) Ektron Inc. All rights reserved.
//-------------------------------------------------------------------------------
// ajax.js
// Ektron Ajax Framework.
// Resource for Search, Poll, Listsummary, Collection, Metadatalist and Taxonomy.
function $(control){
    return document.getElementById(control);
}
function __LoadTaxonomyShowAll(v){
    var location=document.location.href;
    location=location.replace(/&__taxonomyshowall=[0-9]/ig,'');
    if(location.indexOf("?")==-1) location=location+"?";
    if(v.checked)
        document.location.href=location+"&__taxonomyshowall=1";
    else
        document.location.href=location+"&__taxonomyshowall=0";
}
var EBubble=new function(){
    this.bubblewidth="0";
    this.CurrentStyle=function(element,styleprop){
        var x;var y;
        try{
	        x = $(element);
	        if (x.currentStyle)
		        y = x.currentStyle[styleprop];
	        else if (window.getComputedStyle)
		        y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleprop);
	    }
	    catch(e){
	        y='0';
	    }
	    return y;
    };
    this.CreateBubble=function(){
        try{
            if($('FloatBubble')==null){
                var divElt = document.createElement('div');
                divElt.setAttribute("id", "FloatBubble");
                document.getElementsByTagName("body")[0].appendChild(divElt);
                var e=$('FloatBubble');
                var s='<TABLE id="EkBubbleTable" cellspacing="0" cellpadding="0">';
                s+='<TR>';
                s+='<TD id="EkTopL"></TD>';
                s+='<TD id="EkTopTile"><div id="EkTop">&#160;</div></TD>';
                s+='<TD id="EkTopR"></TD>';
                s+='</TR>';
                s+='<TR>';
                s+='<TD id="EkCenL"></TD>';
                s+='<TD><DIV id="EkCloseBubbleIcon"><IMG id=EkClose src="'+__$BubbleCloseIconPath+'images/application/bubble/close.png" onclick="EBubble.ShowHoverOverBubble(0,\'\',0,0,0);"></DIV><DIV id="EkBubbleData"></DIV></TD>';
                s+='<TD id="EkCenR"></TD>';
                s+='</TR>';
                s+='<TR>';
                s+='<TD id="EkBotL"></TD>';
                s+='<TD id="EkBot"></TD>';
                s+='<TD id="EkBotR"></TD>';
                s+='</TR>';
                s+='</TABLE>';
                e.innerHTML=s;
            }
            if($('FloatBubbleT')==null){
                var divElt = document.createElement('div');
                divElt.setAttribute("id", "FloatBubbleT");
                document.getElementsByTagName("body")[0].appendChild(divElt);
                var e=$('FloatBubbleT');
                var s='<TABLE id="EkBubbleTableT" cellspacing="0" cellpadding="0">';
                s+='<TR>';
                s+='<TD id="EkTopLT"></TD>';
                s+='<TD id="EkTopT"></TD>';
                s+='<TD id="EkTopRT"></TD>';
                s+='</TR>';
                s+='<TR>';
                s+='<TD id="EkCenLT"></TD>';
                s+='<TD><DIV id="EkCloseBubbleIconT"><IMG id=EkCloseT src="'+__$BubbleCloseIconPath+'images/application/bubble/close.png" onclick="EBubble.ShowHoverOverBubble(0,\'\',0,0,0,0,0);"></DIV><DIV id="EkBubbleDataT"></DIV></TD>';
                s+='<TD id="EkCenRT"></TD>';
                s+='</TR>';
                s+='<TR>';
                s+='<TD id="EkBotLT"></TD>';
                s+='<TD id="EkBotTile"><div id="EkBotT">&#160;</div></TD>';
                s+='<TD id="EkBotRT"></TD>';
                s+='</TR>';
                s+='</TABLE>';
                e.innerHTML=s;
            }
        }
        catch(e)
        {
        }
    };
    this.ShowHoverOverBubble=function(flag,text,widthheight,X,Y,SX,SY){
        var width='';var height='';var suffix='';
        if(widthheight!='0'){var str=widthheight.split(",");width=str[0];height=str[1]};
        if(height!='' && parseInt(SY)-parseInt(height)>=180)
            suffix='T';
        var element =$("FloatBubble"+suffix);
        $("FloatBubble").style.display = "none";
        $("FloatBubbleT").style.display = "none";
        if(flag==1){
            if(EBubble.bubblewidth=="0"){EBubble.bubblewidth=EBubble.CurrentStyle("EkBubbleTable"+suffix,"width").replace(/\px/g,'');}
            $("EkBubbleData"+suffix).innerHTML=text;
            if(!(parseInt(width)>40)){
               width=parseInt(EBubble.bubblewidth);
            }
            $("EkBubbleTable"+suffix).style.width=width+"px";
            $("EkBubbleData"+suffix).style.width=(parseInt(width)-40)+"px";
            if(height!=undefined && height!='' && parseInt(height)>100){$("EkBubbleData"+suffix).style.maxHeight=height+"px";}
            else{$("EkBubbleData"+suffix).style.height="auto";}
            element.style.display = "block";
            if(height!='' && parseInt(SY)-parseInt(height)>=180){
                element.style.top = parseInt(Y)-(parseInt(height)+120) + 'px';
                $("EkBubbleData"+suffix).style.height=height+"px";
            }
            else{
                element.style.top = Y + "px"; 
            }
            element.style.left = parseInt(X)-50+ "px";
        }
    };
    this.EventX=function(event){
	    var xVal;if (ECommon.Ie()){xVal = event.x;}else{ xVal = event.pageX;}
	    return(xVal+'&SX='+event.screenX)
    };
    this.EventY=function(event){
	    var yVal;if (ECommon.Ie()){yVal = event.y;}else{yVal = event.pageY;}
	    return(yVal+'&SY='+event.screenY)
	};
};
var ECommon=new function(){
    this.Decode=function(str){
        var ret=str;
        ret = ret.replace(/\&lt;/g,'<');
        ret = ret.replace(/\&gt;/g,'>');
        ret = ret.replace(/\&quot;/g,'"');
        ret = ret.replace(/\&#39;/g,'\'');
        return ret;
    };
    this.Ie=function(){
        var ua = window.navigator.userAgent.toLowerCase();
	    return((ua.indexOf('msie') > -1) && (!(ua.indexOf('opera') > -1)));
    };
};
function IAjax(){
}
IAjax.Pop=function(url){
    window.open(url,'showcontent','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=700,height=600');
};
IAjax.Digit=function(str) {
	if (str==null) return false;
	for (var i = 0; i < str.length; i++) {
		var d = str.charAt(i);
	    if ((d < "0") || (d > "9"))
			return false;
	}
	return true;
};
IAjax.ValidateKey=function(item,control){
    if (item.keyCode==13){
        __LoadSearchResult(IAjax.getArguements(),'control='+control+'&__ecmcurrentpage=1');
        return false;
    }
};
IAjax.ValidateTaxonomyKey=function(item,control){
    try{
        if (item.keyCode==13){
            __LoadTaxonomy(IAjax.getArguements(),'pagerequest=search&control='+control+'&__ecmcurrentpage=1');
            return false;
        }
    }catch(e){}
};
IAjax.DisplayError=function(message, context) {
    alert('An unhandled exception has occurred:\n' + message);
};
IAjax.DisplayResult=function(result, context) {
    this.QueryString=function(key){
	    var value = null;
	    for (var i=0;i<this.QueryString.keys.length;i++)
	    {
		    if (this.QueryString.keys[i]==key)
		    {
			    value = this.QueryString.values[i];
			    break;
		    }
	    }
	    return value;
    };
    this.QueryString.keys = new Array();
    this.QueryString.values = new Array();
    this.ParseQueryString=function(args){
	    var query = args;
	    var pairs = query.split("&");
    	
	    for (var i=0;i<pairs.length;i++)
	    {
		    var pos = pairs[i].indexOf('=');
		    if (pos >= 0)
		    {
			    var argname = unescape(pairs[i].substring(0,pos));
			    var value = unescape(pairs[i].substring(pos+1));
			    this.QueryString.keys[this.QueryString.keys.length] = argname;
			    this.QueryString.values[this.QueryString.values.length] = value;		
		    }
	    }
    };
    this.ParseQueryString(context);
    var ____pagerequest=this.QueryString("pagerequest");
    if(____pagerequest=='bubble' || ____pagerequest=='showcontent')
    {
        switch (____pagerequest){
            case "bubble":
                EBubble.ShowHoverOverBubble(1,result,this.QueryString("bubblewidth"),this.QueryString("X"),this.QueryString("Y"),this.QueryString("SX"),this.QueryString("SY"));
                break;
            case "showcontent":
                var __showcontrol=this.QueryString("__ecmdiv");
                try{
                    $(__showcontrol).innerHTML=result;
                }catch(e){};
                break;
        }
    }
    else
    {
      
        var c1=this.QueryString("control");
        $(c1).innerHTML=''; var dataelem = document.createElement('div');dataelem.innerHTML=result; $(c1).appendChild(dataelem);
        try
        {
            if($("__EkAjaxHidden"+c1)!=null){
                $("__EkAjaxHidden"+c1).value=result;
                if(ECommon.Ie()){
                    window.location.replace((window.location.href).replace(window.location.hash,"")+"#"+c1)
                    IAjax.CacheHtml(c1);
                }
            }
        }
        catch(e)
        {
        }
        
        try
        {
             var astViewFrm = window.frames[0] //document.frames[0];
             if(astViewFrm)
             {
                  if( astViewFrm.setPostInfo )
                  {
                    astViewFrm.setPostInfo();
                  }
                
                if( astViewFrm.SetFormDataInfo )
                {
                    astViewFrm.SetFormDataInfo();
                }
             }
         }
          catch(e)
        {
        }
    }
};
IAjax.getArguements=function(){
    return(IAjax.serializeForm());
};
IAjax.serializeForm = function() {
    var element = document.forms[0].elements;
    var len = element.length;
    var query_string = "";
    this.AddFormField = 
    function(name,value) { 
        if (query_string.length>0) { 
        query_string += "&";
        }
        query_string += encodeURIComponent(name) + "=" + encodeURIComponent(value);
    };
    for (var i=0; i<len; i++) {
        var item = element[i];
        if(item.name!="__VIEWSTATE" && item.name!="__EVENTTARGET" && item.name!="__EVENTARGUMENT"){
            try{
                switch(item.type) {
                    case 'text': case 'password': case 'hidden': case 'textarea': 
                        this.AddFormField(item.name,item.value);
                        break;
                    case 'select-one':
                        if (item.selectedIndex>=0) {
                            this.AddFormField(item.name,item.options[item.selectedIndex].value);
                        }
                        break;
                    case 'select-multiple':
                        for (var j=0; j<item.options.length; j++) {
                            if (item.options[j].selected) {
                                this.AddFormField(item.name,item.options[j].value);
                            }
                        }
                        break;
                    case 'checkbox': case 'radio':
                        if (item.checked) {
                            this.AddFormField(item.name,item.value);
                        }
                        break;
                }
            }
            catch(e)
            {
            }
        }
    }
    return query_string;
};
IAjax.ResetValueOnBackButton=function(){
    IAjax.LoadHtml();
};
IAjax.GetKeyWords=function(){
    var val="";
    try{
        if($("ecmBasicKeywords")!=null){
        val=$("ecmBasicKeywords").value;
        }
    }
    catch(e)
    {
    }
    return val;
};
IAjax.SetKeyWords=function(val){
    try{
        if($("ecmBasicKeywords")!=null && val!=""){
        $("ecmBasicKeywords").value=val;
        }
    }
    catch(e)
    {
    }
};
IAjax.GetCookie=function(cookiename){
    var cookieval="-1";
    try{
        var cookiestring=""+document.cookie;
        var index1=cookiestring.indexOf(cookiename);
        if (!(index1==-1 || cookiename=="")){
            var index2=cookiestring.indexOf(';',index1);
            if (index2==-1) index2=cookiestring.length; 
            cookieval= unescape(cookiestring.substring(index1+cookiename.length+1,index2));
        }
    }
    catch(e)
    {
    }
    return cookieval;
};
IAjax.CacheHtml=function(control){
    if(ECommon.Ie()){
        try{
            var oPersist=$("__EkAjaxHidden"+control);
            oPersist.setAttribute(control+"data",oPersist.value);
            oPersist.setAttribute(control+"date",(new Date()).getTime());
            oPersist.setAttribute(control+"text",IAjax.GetKeyWords());
            
            oPersist.save(control+"xml");
        }
        catch(e)
        {
        }
    }
    else{
        try{
            var element = document.forms[0].elements;
            var len = element.length;
            for (var i=0; i<len; i++) {
                var item = element[i];
                if(item.type=="hidden" && item.name.indexOf("__EkAjaxHidden")!=-1){
                    if($(item.name.substring(14,item.name.length)).innerHTML!=""){
                        $(item.name).value=$(item.name.substring(14,item.name.length)).innerHTML;
                    }
                }
            }
        }
        catch(e)
        {
        }
    }
};
IAjax.LoadHtml=function(){
    if(ECommon.Ie()){
        try{
            var element = document.forms[0].elements;
            var len = element.length;
            for (var i=0; i<len; i++) {
                var item = element[i];
                if(item.type=="hidden" && item.name.indexOf("__EkAjaxHidden")!=-1){
                var oPersist=$(item.name);
                oPersist.load(item.name.substring(14,item.name.length)+"xml");
                oPersist.value=oPersist.getAttribute(item.name.substring(14,item.name.length)+"data");
                var minute=((new Date()).getTime()-oPersist.getAttribute(item.name.substring(14,item.name.length)+"date"))/60000;
                    if(window.location.hash!="" && minute<=20 && oPersist.value!="null" && oPersist.value!=null && oPersist.value!=""){
                        IAjax.SetKeyWords(oPersist.getAttribute(item.name.substring(14,item.name.length)+"text"));
                        $(item.name.substring(14,item.name.length)).innerHTML=oPersist.value;
                    }
                }
            }
        }
        catch(e)
        {
        }
    }
    else{
        try{
            var element = document.forms[0].elements;
            var len = element.length;
            for (var i=0; i<len; i++) {
                var item = element[i];
                if(item.type=="hidden" && item.name.indexOf("__EkAjaxHidden")!=-1){
                    if($(item.name).value!=""){
                        $(item.name.substring(14,item.name.length)).innerHTML=$(item.name).value;
                    }
                }
            }
        }
        catch(e)
        {
        }
    }
};
IAjax.addLoadEvent=function (func) {
    var _currentloadevent = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    }else{
        window.onload = function() {
          if (typeof _currentloadevent != 'undefined') {
            _currentloadevent();
          }
          if (typeof func != 'undefined')
            func();
        }
    }
};
IAjax.addLoadEvent(EBubble.CreateBubble);
IAjax.addLoadEvent(IAjax.ResetValueOnBackButton);