//Cristian Pereira
//Sep. 2007
//Functions for driver event in home search

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
 
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") 
  {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) 
    {
      if (!img.MM_up) img.MM_up = img.src;     
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);      
      nbArr[nbArr.length] = img;
    }
    
    SetAlphaImageLoader(args[1],'over');//ID
  } 
  else if (event == "out" ) 
  {
    //alert(event);
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; 
      SetAlphaImageLoader(-1,'out');//ID
    }
  } 
  else if (event == "down")
  {
  
    nbArr = document[grpName];
    if (nbArr)
    for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) 
    {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;       
    }   	 
	
	SetAlphaImageLoader(args[2],'down');
  }
}

var arVersion ='Firefox';
var version=7; 

if (navigator.appVersion.indexOf("MSIE")!=-1)
{
	arVersion=navigator.appVersion.split("MSIE")
	version = parseFloat(arVersion[1]);
}

var arrimages;
var actual='';
var actualSrc='';
var actualSelection='';
var actualEvent='';
function SetTransparent(objid)
{
	if (version>= 5.5 && version<7) 
	{  
		arrimages=document.getElementById(objid).getElementsByTagName("img");     
		  
		for(var i=0; i<arrimages.length; i++)
		{
			var img = arrimages[i];
			var imgName = img.src.toUpperCase();     
			if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
			{	
				var imgID = (img.id) ? "id='" + img.id + "' " : "";
				var imgClass = (img.className) ? "class='" + img.className + "' " : "";
				var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
				var imgStyle = "display:inline-block;" + img.style.cssText ;
				if (img.align == "left") imgStyle = "float:left;" + imgStyle;
				if (img.align == "right") imgStyle = "float:right;" + imgStyle;
				//if (img.parentElement.href) imgStyle = "cursor:pointer;" + imgStyle;
				var strNewHTML = "<span " + imgID + imgClass + imgTitle
				+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
				+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
				+ "(enabled=true,src=\'" + img.src + "\', sizingMethod=scale);\"><img src='images/bot.jpg' with='1' height='1' /></span>"; 
		                  
				img.outerHTML = strNewHTML;
				//alert(strNewHTML);
				i = i-1;
			}
		}
	}
	
	//set dining category	
	if(CategorySelected=='')
	{	
		MM_nbGroup('down','group1','dining','images/bot1_on.png',1);			
	}
	
	
}

function SetAlphaImageLoader(objid,event)
{
	
	if (version>= 5.5 && version<7) 
	{
		 
	  if(objid==actual && actualEvent==event)
	     return;
	   	 	 
	 if(event=='out')
	 {		
	 	objid=actual;		 	 		 		 	 	
	 } 	 
	 
	 	
	 actualEvent=event;	 	
	 var img=document.getElementById(objid);	 
	 var imgName; 
	 if(event=='out')
	 {
	 	if(actualSelection==actual)
	 		return;	 		
	 	imgName=actualSrc;
	 }
	 else
	 {
	 	imgName=img.src.toUpperCase();   
	 	actualSrc=imgName;
	 }
		
     if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
     {  
         strNewHTML=img.outerHTML;
         var newSrc='on'
         if(event=='out')
         {
         	newSrc='of';
         }         	
                  
         changeImagenSrc(newSrc,img);   
         
		 if(event=='down' && actualSelection!='' && actualSelection!=objid)
		 {
		 	changeImagenSrc('of',document.getElementById(actualSelection)); 
		 }
		 else if(actual!='' && actual!=objid && actualSelection!=actual)
			changeImagenSrc('of',document.getElementById(actual)); 
         
      }
      
     if( event=='down')
	 {
	 	actualSelection=objid;
	 	//alert(actualSelection);
	 }
	 
	 actual=objid; 
	  
	}
}

function changeImagenSrc(newSrc,objImg)
{
	 strNewHTML=objImg.outerHTML;
     strNewHTML=strNewHTML.replace(/src='(.*?)_(.*?)'/g,"src='$1_" + newSrc + ".png'");          
     objImg.parentElement.innerHTML=strNewHTML;
     //alert(strNewHTML);
}