var xmlHttp;
function insertdata(id,slide,plus)
{
	if(document.getElementById("mouseover123").value==1)
	{
		clearTimeout(s123);
	}
	//document.getElementById("loader").style.zIndex="1";
	if(plus)
	{
		var ImgIdStr =  document.getElementById('ImgIdStr').value;
		var str = document.getElementById('ImgIdStr').value.split(',');
		for(k=0;k<str.length;k++)
		{
			if(plus == 'plus')
			{
				if(k == id)
				{
					id = parseInt(str[k+1]);
					break;
				}
			}
			else if(plus == 'minus')
			{
				if(k == id)
				{
					id = parseInt(str[k-1]);
					break;
				}
			}
		}
		slide = "";
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
	 	return
	}
	var cat=document.getElementById('categoryname').value;
	var url="showmid.php";
	var slide  = slide;
	if(id!='')
	{
		
		url=url+"?id="+id+"&cat="+cat;
	}
	if(slide == 'slide')
	{document.getElementById('mouseover').value = '';
		if(nxtprvsl != '1' || document.getElementById('mouseover').value=='')
		{
			var slideid = document.getElementById('slide').value;
			url+="?slide="+slideid+"&cat="+cat;
			
		}
	}
	else 
	{
		document.getElementById('mouseover').value = 1;
		
	}
	
	xmlHttp.onreadystatechange=stateChanged 
	FadeOut(id);
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
	//document.getElementById("loader").style.zIndex="-1";	
	document.getElementById("showdata").innerHTML=xmlHttp.responseText;
	
		if(document.getElementById('mouseover').value != 1){
	document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
	}
	if(document.getElementById('totnophoto').value == document.getElementById('slide').value){
		document.getElementById('slide').value = "0";
	}
	if((parseInt(document.getElementById('mouseover').value) != 1) || nxtprvsl != '1'){//a condition to be added here
		 if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value==1)
		 {
		 //if(nxtprvsl != '1'){
		 	sl = setTimeout("insertdata('','slide')", 19000); 
		 }
		 else if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value!=1)
		 {
		 //if(nxtprvsl != '1'){
			 
		 	sl = setTimeout("insertdata('','slide')", 16000); 
			
		 }
		 else
		 	{
			clearTimeout(sl);
		 	}
	}else{
		clearTimeout(sl);
		 }
	/*if(document.getElementById('mouseover').value==1)
		{
		document.getElementById('pauseimg').style.display="none";
		document.getElementById('imgplay').style.display="block";
		}*/

    var photoId =  document.getElementById('photoId').value;
	var ImgIdStr =  document.getElementById('ImgIdStr').value;
	var str = document.getElementById('ImgIdStr').value.split(',');
	for(k=0;k<str.length;k++){
	
		if(str[k] == photoId){
			document.getElementById('curentImgID').value = k;
		break;
		}
	}
	if(document.getElementById('curentImgID').value == parseInt(str.length)-1){
	     document.getElementById('pluslink').href = "javascript:void(0);";
	}else{
		document.getElementById('pluslink').href = "javascript:insertdata(parseInt(document.getElementById('curentImgID').value),'','plus')";
	}
	
	if(document.getElementById('curentImgID').value == 0){
	     document.getElementById('minuslink').href = "javascript:void(0);";
	}else{
		document.getElementById('minuslink').href = "javascript:insertdata(parseInt(document.getElementById('curentImgID').value),'','minus');";
	}
	if((document.getElementById('mouseover').value ==1) && (document.getElementById("mouseover123").value!=2))
	{
		sl = setTimeout("insertdata('','slide')", 16000);
		document.getElementById('mouseover').value =='';
		document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
	}
 } 
}
function insertdata_ind(id,slide,plus)
{
	if(document.getElementById("mouseover123").value==1)
	{
		clearTimeout(s123);
	}
	if(plus)
	{
		var ImgIdStr =  document.getElementById('ImgIdStr').value;
		var str = document.getElementById('ImgIdStr').value.split(',');
		for(k=0;k<str.length;k++)
		{
			if(plus == 'plus')
			{
				if(k == id)
				{
					id = parseInt(str[k+1]);
					break;
				}
			}
			else if(plus == 'minus')
			{
				if(k == id)
				{
					id = parseInt(str[k-1]);
					break;
				}			
			}
		}
		slide = "";
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
	var url="showmid_index.php";
	var slide  = slide;
	if(id!='')
	{
		url=url+"?id="+id;
	}
	if(slide == 'slide')
	{document.getElementById('mouseover').value = '';
		if(nxtprvsl != '1' || document.getElementById('mouseover').value=='')
		{document.getElementById('mouseover').value = '';
			var slideid = document.getElementById('slide').value;
			url+="?slide="+slideid;
		}
	}
	else
	{
		document.getElementById('mouseover').value = 1;
	}
	xmlHttp.onreadystatechange=stateChanged_ind 
	FadeOut(id);
	
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged_ind() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 	{ 
 		//document.getElementById("loader").style.zIndex="-1";
		document.getElementById("showdata").innerHTML=xmlHttp.responseText;
		
		if(document.getElementById('mouseover').value != 1)
		{
			document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
		}
		if(document.getElementById('totnophoto').value == document.getElementById('slide').value)
		{
			document.getElementById('slide').value = "0";
		}
		if((parseInt(document.getElementById('mouseover').value) != 1) || nxtprvsl != '1')
		{//a condition to be added here
			 if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value==1)
		 	{
		 	//if(nxtprvsl != '1'){
		 		sl = setTimeout("insertdata_ind('','slide')", 19000); 
		 	}
			else if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value!=1)
			{
		 		//if(nxtprvsl != '1'){
			 	sl = setTimeout("insertdata_ind('','slide')", 16000); 
			}
			else
			{
				clearTimeout(sl);
		 	}
		}
		else
		{
			clearTimeout(sl);
		}
		/*if(document.getElementById('mouseover').value==1)
		{
		document.getElementById('pauseimg1').style.display="none";
		document.getElementById('imgplay1').style.display="block";
		}*/
	    var photoId =  document.getElementById('photoId').value;
		var ImgIdStr =  document.getElementById('ImgIdStr').value;
		var str = document.getElementById('ImgIdStr').value.split(',');
		for(k=0;k<str.length;k++)
		{
			if(str[k] == photoId)
			{
				document.getElementById('curentImgID').value = k;
				break;
			}
		}
		if(document.getElementById('curentImgID').value == parseInt(str.length)-1)
		{
	    	document.getElementById('pluslink').href = "javascript:void(0);";
		}
		else
		{
			document.getElementById('pluslink').href = "javascript:insertdata_ind(parseInt(document.getElementById('curentImgID').value),'','plus')";
		}
		if(document.getElementById('curentImgID').value == 0)
		{
	    	document.getElementById('minuslink').href = "javascript:void(0);";
		}
		else
		{
			document.getElementById('minuslink').href = "javascript:insertdata_ind(parseInt(document.getElementById('curentImgID').value),'','minus');";
		}
		
		if((document.getElementById('mouseover').value ==1) && (document.getElementById("mouseover123").value!=2))
		{
			sl = setTimeout("insertdata_ind('','slide')", 16000);
			document.getElementById('mouseover').value =='';
			document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
		}
 	} 
}

function insertdata_session(id,slide,plus)
{
	//document.getElementById("loader").style.zIndex="1";
	if(document.getElementById("mouseover123").value==1)
	{
		clearTimeout(s123);
	}
	if(plus)
	{
		var ImgIdStr =  document.getElementById('ImgIdStr').value;
		var str = document.getElementById('ImgIdStr').value.split(',');
		for(k=0;k<str.length;k++)
		{
			if(plus == 'plus')
			{
				if(k == id)
				{
					id = parseInt(str[k+1]);
					break;
				}
			}
			else if(plus == 'minus')
			{
				if(k == id)
				{
					id = parseInt(str[k-1]);
					break;
				}			
			}
		}
		slide = "";
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
	var url="showmid_session.php";
	var slide  = slide;
	if(id!='')
	{
		url=url+"?id="+id;
	}
	if(slide == 'slide')
	{document.getElementById('mouseover').value = '';
		if(nxtprvsl != '1' || document.getElementById('mouseover').value=='')
		{
			var slideid = document.getElementById('slide').value;
			url+="?slide="+slideid;
		}
	}
	else
	{
		document.getElementById('mouseover').value = 1;
	}
	xmlHttp.onreadystatechange=stateChanged_session 
	FadeOut_session(id);
	
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged_session() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 	{ 
 		//document.getElementById("loader").style.zIndex="-1";
		document.getElementById("showdata1").innerHTML=xmlHttp.responseText;
				if(document.getElementById('mouseover').value != 1)
		{
			document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
		}
		if(document.getElementById('totnophoto').value == document.getElementById('slide').value)
		{
			document.getElementById('slide').value = "0";
		}
		if((parseInt(document.getElementById('mouseover').value) != 1) || nxtprvsl != '1')
		{//a condition to be added here
			 if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value==1)
		 	{
		 	//if(nxtprvsl != '1'){
		 		sl = setTimeout("insertdata_session('','slide')", 19000); 
		 	}
			else if(document.getElementById('mouseover').value!= '1' && document.getElementById('slide').value!=1)
			{
		 		//if(nxtprvsl != '1'){
			 	sl = setTimeout("insertdata_session('','slide')", 13000); 
			}
			else
			{
				clearTimeout(sl);
		 	}
		}
		else
		{
			clearTimeout(sl);
		}
		/*if(document.getElementById('mouseover').value==1)
		{
		document.getElementById('pauseimg1').style.display="none";
		document.getElementById('imgplay1').style.display="block";
		}*/
	    var photoId =  document.getElementById('photoId').value;
		var ImgIdStr =  document.getElementById('ImgIdStr').value;
		var str = document.getElementById('ImgIdStr').value.split(',');
		for(k=0;k<str.length;k++)
		{
			if(str[k] == photoId)
			{
				document.getElementById('curentImgID').value = k;
				break;
			}
		}
		if(document.getElementById('curentImgID').value == parseInt(str.length)-1)
		{
	    	document.getElementById('pluslink').href = "javascript:void(0);";
		}
		else
		{
			document.getElementById('pluslink').href = "javascript:insertdata_session(parseInt(document.getElementById('curentImgID').value),'','plus')";
		}
		if(document.getElementById('curentImgID').value == 0)
		{
	    	document.getElementById('minuslink').href = "javascript:void(0);";
		}
		else
		{
			document.getElementById('minuslink').href = "javascript:insertdata_session(parseInt(document.getElementById('curentImgID').value),'','minus');";
		}
		if((document.getElementById('mouseover').value ==1) && (document.getElementById("mouseover123").value!=2))
		{
			sl = setTimeout("insertdata_session('','slide')", 13000);
			document.getElementById('mouseover').value =='';
			document.getElementById('slide').value= parseInt(document.getElementById('slide').value)+1;
		}
 	} 
}


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;
}
function FadeInImage(foregroundID,newImage,backgroundID)
{
  var foreground=document.getElementById("showmid");
  if (backgroundID)
  {
    var background=document.getElementById("showmid");
    if (background)
    {
      background.style.backgroundImage = 'url(' + foreground.src + ')';
      background.style.backgroundRepeat = 'no-repeat';
    }
  }
  SetOpacity(foreground,0);
  foreground.src = newImage;
  if (foreground.timer) window.clearTimeout(foreground.timer); 
  var startMS = (new Date()).getTime();
  foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "',1000," + startMS + ",0,100)",10);
}
function SetOpacity(object,opacityPct)
{
  // IE.
  object.style.filter = 'alpha(opacity=' + opacityPct + ')';
  // Old mozilla and firefox
  object.style.MozOpacity = opacityPct/100;
  // Everything else.
  object.style.opacity = opacityPct/100;
}
function ChangeOpacity(id,msDuration,msStart,fromO,toO)
{
  var element=document.getElementById("showdata");
  var opacity = element.style.opacity * 100;
  var msNow = (new Date()).getTime();
  opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
  if (opacity<0) 
    SetOpacity(element,0)
  else if (opacity>100)
    SetOpacity(element,100)
  else
  {
    SetOpacity(element,opacity);
    element.timer = window.setTimeout("ChangeOpacity('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",1);
  }
}
function FadeIn(id)
{
  var element=document.getElementById("showdata");
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity('" + id + "',2000," + startMS + ",40,100)",1);
}
function FadeOut(id)
{
  var element=document.getElementById("showdata");
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity('" + id + "',2000," + startMS + ",100,40)",1);
  FadeIn(id);
}



function FadeInImage_session(foregroundID,newImage,backgroundID)
{
  var foreground=document.getElementById("showmid");
  if (backgroundID)
  {
    var background=document.getElementById("showmid");
    if (background)
    {
      background.style.backgroundImage = 'url(' + foreground.src + ')';
      background.style.backgroundRepeat = 'no-repeat';
    }
  }
  SetOpacity(foreground,0);
  foreground.src = newImage;
  if (foreground.timer) window.clearTimeout(foreground.timer); 
  var startMS = (new Date()).getTime();
  foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "',1000," + startMS + ",0,100)",10);
}
function SetOpacity_session(object,opacityPct)
{
  // IE.
  object.style.filter = 'alpha(opacity=' + opacityPct + ')';
  // Old mozilla and firefox
  object.style.MozOpacity = opacityPct/100;
  // Everything else.
  object.style.opacity = opacityPct/100;
}
function ChangeOpacity_session(id,msDuration,msStart,fromO,toO)
{
  var element=document.getElementById("showdata1");
  var opacity = element.style.opacity * 100;
  var msNow = (new Date()).getTime();
  opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
  if (opacity<0) 
    SetOpacity_session(element,0)
  else if (opacity>100)
    SetOpacity_session(element,100)
  else
  {
    SetOpacity_session(element,opacity);
    element.timer = window.setTimeout("ChangeOpacity_session('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",1);
  }
}
function FadeIn_session(id)
{
  var element=document.getElementById("showdata1");
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity_session('" + id + "',2000," + startMS + ",40,100)",1);
}
function FadeOut_session(id)
{
  var element=document.getElementById("showdata1");
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity_session('" + id + "',2000," + startMS + ",100,40)",1);
  FadeIn_session(id);
}


var sl;
var nxtprvsl;
function play(val)
{
	var val= document.getElementById('mouseover').value;
	if(val == 1)
	{
		document.getElementById('mouseover').value = '';
		document.getElementById('pauseplay').href = 'javascript:play(0)';
		document.getElementById('playimg').style.display="none";
		document.getElementById('playimg1').style.display="block";
		insertdata('','slide');
	}
	else
	{
		document.getElementById('mouseover').value = '1';
		document.getElementById('pauseplay').href = 'javascript:play(1)';
		document.getElementById('pauseimg').style.display="none";
		document.getElementById('imgplay').style.display="block";
		clearTimeout(sl);
	}
}