function GetXmlHttpObject(handler)
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
		 {
			objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
		}
	return objXMLHttp
}


function showPage(page , str)
{
	if (str.length==0)
	{ 
		return
	}
	
	if (page.length==0)
	{ 
		return
	}

	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
		var url= page + ".html"
		url=url+"?q="+str
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChanged 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("board_member_detail").innerHTML=xmlHttp.responseText 
	} 
	else
	{
		document.getElementById("board_member_detail").innerHTML="<div style='margin-left:200px; clear:both;'><br/><br/><br/><br/><br/><center>&nbsp;</center><br/><br/><br/><br/><br/></div>"
	}
} 

/*gallery*/
var selectedImage =0;
var pageNumber=0;
function changeImage(imageId , collectionId)
{
	if (imageId == 0)
	{
		return 
	}
	
	var pic = getElementsByClass('selPicture',document.getElementById('photos'),'img')
	
	for (picSel in pic)
	{
			pic[picSel].className ='normalPicture';
	}
	
	document.getElementById('picture'+ imageId).className='selPicture';
	
	window.selectedImage = imageId;
	
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
		var url= "/changeimage.html"
		url=url+"?imageid="+imageId + "&collectionid="+collectionId
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChangedForChangeImage 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	
}
function stateChangedForChangeImage() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("photo").innerHTML=xmlHttp.responseText 
	} 
	else
	{
		//document.getElementById("photo").innerHTML="<div>aa</div>"
	}
} 


function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function previousImage(collectionId, cat , cat2 ,  limit)
{
	imageId = window.selectedImage;
	document.getElementById('picture'+ imageId).className='normalPicture';
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
		var url= "/changepreviousimage.html"
		url=url+"?imageid="+imageId + "&collectionid="+collectionId + "&cat=" + cat +  "&cat2=" + cat2 + "&limit=" + limit + "&page=" + window.pageNumber

		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChangedForPreviousImage
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
}

function stateChangedForPreviousImage() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		var obj = new Object();
		eval(xmlHttp.responseText );
		
		document.getElementById("galleryBigImage").src=obj.src;
		document.getElementById("galleryBigImage").alt=obj.alt;
		document.getElementById('picture'+ obj.id).className='selPicture';
		document.getElementById("galleryImageCaption").innerHTML=obj.alt;
		window.selectedImage= obj.id;
		
	} 
	else
	{
		//document.getElementById("photo").innerHTML="<div>aa</div>"
	}
	
} 

function nextImage(collectionId, cat , cat2, limit)
{
	imageId = window.selectedImage;
	document.getElementById('picture'+ imageId).className='normalPicture';
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	
		var url= "/changenextimage.html"
		url=url+"?imageid="+imageId + "&collectionid="+collectionId + "&cat=" + cat + "&cat2=" + cat2 + "&limit=" + limit + "&page=" + window.pageNumber
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChangedForPreviousImage
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
}



function displaycontent(id , obj)
{
	
	
	var sobj = document.getElementById('menus').getElementsByTagName('A');
	for(var i=0;i<sobj.length;i++)
	{
		if (sobj[i].className=='selectTopMenu')	 
		{
			sobj[i].className='';
		}
	}
	
	obj.parentNode.getElementsByTagName('A')[0].className='selectTopMenu';
	
	if (document.getElementById('submenu_'+id))
	{
			
			document.getElementById("sub_menu").innerHTML= document.getElementById('submenu_'+id).innerHTML;
			
			if (document.getElementById('submenu_'+id).innerHTML !='')
			{
				
				document.getElementById("sub_menu").style.visibility = 'visible';
				document.getElementById("sub_menu").style.width = '1000px';
				document.getElementById("sub_menu").style.overflow = 'hidden';
				
			}
			else
			{
				
				document.getElementById("sub_menu").style.visibility = 'hidden';
				document.getElementById("sub_menu").style.width = '1000px';
				document.getElementById("sub_menu").style.overflow = 'hidden';
			}
	}
	else
	{
	
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
		var url= "/submenu.html"
		url=url+"?submenu="+id
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange= function  () {
			if (document.getElementById("sub_menu"))
			{
			if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
			{ 
				
				document.getElementById("sub_menu").innerHTML=xmlHttp.responseText 
			} 
			else
			{
				//document.getElementById("sub_menu").innerHTML="<center><img src='/images/loading.gif'/></center>"
			}
			}
			
			
			}
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	}
	
}