function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;document.MM_sr=new Array;for(i=0;i<(a.length-2);i+=3)
  if ((x=MM_findObj(a[i]))!=null) {document.MM_sr[j++]=x;if(!x.oSrc) x.oSrc=x.src;x.src=a[i+2];	}
}

function rand ( n )
{
  return ( Math.floor ( Math.random ( ) * n + 1 ) );
}

function changeAboutImage() {
	var no = rand(6);
	document.getElementById('aboutus_img').setAttribute('src','resources/images/image-'+no+'.jpg');	
	self.setTimeout('changeAboutImage()',5000);
}


function hoverOn(arrowid) {
	if (arrowid == 'leftarrowimage') document.getElementById(arrowid).setAttribute('src','resources/images/arrow_left_hover.gif');	
	if (arrowid == 'rightarrowimage') document.getElementById(arrowid).setAttribute('src','resources/images/arrow_right_hover.gif');	
}

function hoverOff(arrowid) {
	if (arrowid == 'leftarrowimage') document.getElementById(arrowid).setAttribute('src','resources/images/arrow_left.gif');	
	if (arrowid == 'rightarrowimage') document.getElementById(arrowid).setAttribute('src','resources/images/arrow_right.gif');	
}

function changeClient(clientid) {
	
	var all_a = document.getElementsByTagName('a');
	for(var i=0; i<all_a.length;i++) {
		if (all_a[i].className=='active' && all_a[i].id.indexOf('client_')!=-1) all_a[i].className='';
	}
	document.getElementById('client_'+clientid).className='active';
	var buffer = '<ul>';
	for(var i=0; i<clients.length;i++) {
		if (clients[i][0]==clientid) {

			if (clients[i][2].length > 0) {
				
				for(var j=0;j<clients[i][2].length;j++) {
					
					var crtprjid = clients[i][2][j];
					buffer += '<li><a href="#" id="project_'+crtprjid+'" ';
					if (j==0) {
						buffer += 'class="active" ';
						var projindex = crtprjid;
					}
					else buffer += 'class="" ';
					buffer += ' onClick="changeProject('+crtprjid+')" >';
					for(var k=0;k<prj.length; k++ ) {
						if (prj[k][0] == crtprjid) buffer += prj[k][1]+'</a></li>';
					}

				}
			}
		}
	}
	buffer +='</ul>';
	
	document.getElementById('project_list').innerHTML = buffer;
	var pagecount = 0;
	for(var i=0; i<details.length;i++) {
		if (details[i][4] == clientid) pagecount++;
	}
	buffer = '<span id="leftarrowholder"><a href="#" id="leftarrow" style="" onMouseOver="hoverOn(\'leftarrowimage\')" onMouseOut="hoverOff(\'leftarrowimage\')"><img src="resources/images/arrow_left.gif" id="leftarrowimage" alt="previous" border="0"  /></a></span>';
	buffer += '<span id="disabledleftarrow" style="display:none;padding-right:6px;"><img src="resources/images/arrow_left_inactive.gif"  border="0" /></span>';
	for(var k=1;k<=pagecount;k++) {
		for(var i=0; i<details.length;i++) {
			if (details[i][1] == k && details[i][4]==clientid) {
				buffer += '<a href="#" id="page_'+details[i][0]+'" onClick="changePage('+details[i][0]+')" ';
				if (k==1) buffer += ' class="active" ';
				else buffer+= ' class="" ';
				buffer += ' >'+k+'</a>';
			}
	}	
	}
	buffer += '<span id="rightarrowholder"><a href="#" id="rightarrow" onMouseOver="hoverOn(\'rightarrowimage\')" onMouseOut="hoverOff(\'rightarrowimage\')"><img src="resources/images/arrow_right.gif" id="rightarrowimage" alt="next" width="12" height="10" border="0"  /></a></span>';
	buffer += '<span id="disabledrightarrow" style="display:none"><img src="resources/images/arrow_right_off.gif"  border="0"  /></span>';
	document.getElementById('project_pages').innerHTML = buffer;

	changeProject(projindex);
}

function changePage(pageid) {
	
	var all_a = document.getElementsByTagName('a');
	for(var i=0;i<details.length;i++) {
		if (details[i][0] == pageid) {
			document.getElementById('project_content').innerHTML = details[i][3];
			var projindex=details[i][2];
			var pindex = i;
			var pclient = details[i][4];
			var pno = details[i][1];
		}
	}

	for(var i=0; i<all_a.length;i++) {
		if (all_a[i].className=='active' && all_a[i].id.indexOf('page_')!=-1) all_a[i].className='';
		if (all_a[i].className=='active' && all_a[i].id.indexOf('project_')!=-1) all_a[i].className='';
	}
	document.getElementById('page_'+pageid).className='active';
	document.getElementById('project_'+projindex).className='active';
	document.getElementById('imgid').src='resources/images/projects/'+details[pindex][5];
	document.getElementById('imgid').style.display='inline';
	var leftarrow = 0;
	var rightarrow = 0;

	for(var i=0;i<details.length;i++) {
		if (details[i][4] == pclient) {
			if (details[i][1] == pno-1) leftarrow = details[i][0];
			if (details[i][1] == pno+1) rightarrow = details[i][0];
		}
	}

	if (leftarrow != 0) {
		if (document.getElementById('leftarrowholder').style.display == "none") {
			document.getElementById('leftarrowholder').style.display="inline";
			document.getElementById('disabledleftarrow').style.display="none";
		}
		document.getElementById('leftarrow').href="javascript:changePage("+leftarrow+");";
	}
	else {
		document.getElementById('leftarrowholder').style.display="none";
		document.getElementById('disabledleftarrow').style.display="inline";
	}
	if (rightarrow != 0) {
		if (document.getElementById('rightarrowholder').style.display == "none") {
			document.getElementById('rightarrowholder').style.display="inline";
			document.getElementById('disabledrightarrow').style.display="none";
		}
		document.getElementById('rightarrow').href="javascript:changePage("+rightarrow+");";
	} else {
		document.getElementById('rightarrowholder').style.display="none";
		document.getElementById('disabledrightarrow').style.display="inline";
	}
	document.getElementById('work').style.display='block';
	document.getElementById('intromsg').style.display='none';
}


function changeProject(projid) {
	var max=65535,index=0;
	for(var i=0;i<details.length;i++) {
		if (details[i][1]<max && details[i][2]==projid) {
			max = details[i][1];
			index = details[i][0];		
		}
	}
	changePage(index);
}

function enlarge_map(){
	winHeight = 610;
	winWidth = 514;
	
	var myTarget = "resources/images/map-large.gif";
	newWin = window.open(myTarget, "", "width="+winWidth+",height="+winHeight+",scrollbars=no, menubar=no");
	
	newWin.document.title="Owen & Avery - How to find us";
	new_x = screen.availWidth/2 - winWidth/2;
	new_y = screen.availHeight/2 - winHeight/2;
	newWin.moveTo(new_x,new_y);
	
	newWin.focus();
}