var xmlHttp;

function ajaxcall(ajid,type,html){

window.ajid = ajid;
window.html = html;

var anum=/(^\d+$)|(^\d+\.\d+$)/
if (anum.test(ajid)){

	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	 {
	 alert ("Browser does not support HTTP Request");
	 return;
	 }
	var url="layout/header.php";
	url=url+"?ajid="+ajid;
	url=url+"&type="+type;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	//alert(xmlHttp.responseText);

}else {return;}
	
}



function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
	document.getElementById(html+ajid).innerHTML=xmlHttp.responseText;
	document.getElementById(html+ajid).style.display='block';
 } 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}

// JAVASCRIPT FUNCTIONS

function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;
	
    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "','down')",(timer * speed));
            timer++;
        }
	
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "','up')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id,type) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
	if(opacity=="0" && type=="down"){
	document.getElementById(id).style.display="none";
	}
} 
	
var sliderIntervalId = 0;
var sliding = false;
var slideSpeed = 3;

function Slide(id,type)
{
window.sliderHeight = document.getElementById(id).clientHeight;
window.offset = 20;
window.sliderHeight = Number(sliderHeight)-Number(offset);
window.increaseby = 40;
window.maxslide = Number(increaseby)+Number(sliderHeight);
window.sliderorigHeight = Number(maxslide)-Number(increaseby)-Number(offset)-Number(20);
window.id = id;
window.resid = id.replace(/result/,"");
window.plusbox = document.getElementById("sharelinks"+resid);
   if(sliding)
      return;
   sliding = true;
   if(type=="up")
      sliderIntervalId = setInterval('SlideUpRun()', 30);
   if(type=="down")
      sliderIntervalId = setInterval('SlideDownRun()', 30);
}



function SlideUpRun()
{
   slider = document.getElementById(id);
   sliderwrap = document.getElementById("addslider"+resid);
   
   if(sliderHeight <= sliderorigHeight)
   {
      sliding = false;
      sliderHeight = sliderorigHeight;
      slider.style.height = sliderorigHeight+'px';
      clearInterval(sliderIntervalId);
   }
   else
   {
      sliderHeight -= slideSpeed;
      if(sliderHeight < sliderorigHeight)
         sliderHeight = sliderorigHeight;
      slider.style.height = sliderHeight + 'px';
	  sliderwrap.innerHTML="<a href='javascript:;' onclick=\"Slide('result"+resid+"','down');\" class='addslide'>[+]</a>";
	  plusbox.style.display="none";
   }
}

function SlideDownRun()
{
   slider = document.getElementById(id);
   sliderwrap = document.getElementById("addslider"+resid);
   setTimeout('plusbox.style.display="block"',500);
   if(sliderHeight >= maxslide)
   {
      sliding = false;
      sliderHeight = maxslide;
      slider.style.height = maxslide+'px';
      clearInterval(sliderIntervalId);
	  opacity("sharelinks"+resid, 0, 100, 800);
   }
   else
   {
      sliderHeight += slideSpeed;
      if(sliderHeight > maxslide)
         sliderHeight = maxslide;
      slider.style.height = sliderHeight + 'px';
	  sliderwrap.innerHTML="<a href='javascript:;' onclick=\"Slide('result"+resid+"','up');\" class='addslide'>[--]</a>";
   }
}