// JavaScript Document

// ## functions to control layer nav ##

// for different browsers
ns4 = (document.layers) ? true:false 
ie4 = (document.all) ? true:false 
ng5 = (document.getElementById) ? true:false 


// hide/show drop layers 

isOverSomething = false;

function hideDropsFunction() { 
	if(isOverSomething == false){
		
		// entry for each layer
		if (ng5) document.getElementById('navdrop1').style.visibility = "hidden" 
		else if (ns4) document.navdrop1.visibility = "hide" 
		else if (ie4) navdrop1.style.visibility = "hidden"
		
		if (ng5) document.getElementById('navdrop2').style.visibility = "hidden" 
		else if (ns4) document.navdrop2.visibility = "hide" 
		else if (ie4) navdrop2.style.visibility = "hidden"
		
		if (ng5) document.getElementById('navdrop3').style.visibility = "hidden" 
		else if (ns4) document.navdrop3.visibility = "hide" 
		else if (ie4) navdrop3.style.visibility = "hidden" 
		
		if (ng5) document.getElementById('navdrop4').style.visibility = "hidden" 
		else if (ns4) document.navdrop4.visibility = "hide" 
		else if (ie4) navdrop4.style.visibility = "hidden" 
		
		if (ng5) document.getElementById('navdrop5').style.visibility = "hidden" 
		else if (ns4) document.navdrop5.visibility = "hide" 
		else if (ie4) navdrop5.style.visibility = "hidden"
	}
}

function hideDrops() {
	isOverSomething = false;
	mytimer = setTimeout("hideDropsFunction()", 1000);
}


isPositioned = 0; // don't show drops if not positioned by P7_Snap


function showDrops(n) { 
	if(isPositioned != 0){
		hideDropsFunction(); 
		isOverSomething = true;
		if (ng5) document.getElementById('navdrop'+n).style.visibility = "visible"; 
		else if (ns4) document.layers["navdrop"+n].visibility = "show"; 
		else if (ie4) document.all["navdrop"+n].style.visibility = "visible"; 
	}
}

// reloads the window if Nav4 resized
function MM_reloadPage(init) {  
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


// ## functions to relatively position layers ##

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 P7_Snap() { //v2.65 by PVII
 var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,tw,q0,xx,yy,w1,pa='px',args=P7_Snap.arguments;a=parseInt(a);
 if(document.layers||window.opera){pa='';}for(k=0;k<(args.length);k+=4){
 if((g=MM_findObj(args[k]))!=null){if((el=MM_findObj(args[k+1]))!=null){
 a=parseInt(args[k+2]);b=parseInt(args[k+3]);x=0;y=0;ox=0;oy=0;p="";tx=1;
 da="document.all['"+args[k]+"']";if(document.getElementById){
 d="document.getElementsByName('"+args[k]+"')[0]";if(!eval(d)){
 d="document.getElementById('"+args[k]+"')";if(!eval(d)){d=da;}}
 }else if(document.all){d=da;}if(document.all||document.getElementById){while(tx==1){
 p+=".offsetParent";if(eval(d+p)){x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
 }else{tx=0;}}ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);tw=x+ox+y+oy;
 if(tw==0||(navigator.appVersion.indexOf("MSIE 4")>-1&&navigator.appVersion.indexOf("Mac")>-1)){
  ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);}else{
  w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
  x=document.body.scrollLeft+event.clientX+bx;y=document.body.scrollTop+event.clientY;}}
 }else if(document.layers){x=g.x;y=g.y;q0=document.layers,dd="";for(var s=0;s<q0.length;s++){
  dd='document.'+q0[s].name;if(eval(dd+'.document.'+args[k])){x+=eval(dd+'.left');y+=eval(dd+'.top');
  break;}}}e=(document.layers)?el:el.style;xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
 if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
  xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);}
 e.left=xx+pa;e.top=yy+pa;}}}
 isPositioned = 1; // don't show drops if not positioned
}






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];}}
}

//theButton = but_1;

function mainSwap(caller){
	//alert(theButton);
	but_1.src = 'images/but_1.gif';
	but_2.src = 'images/but_1.gif';
	but_3.src = 'images/but_1.gif';	
	//alert(eval("but_" + caller));
	theButton = eval("but_" + caller);
	theButton.src = 'images/but_1_2.gif';
	swap_image.src = 'images/swap_image_' + caller + '.gif';
	swap_text.src =  'images/swap_text_' + caller + '.gif';
	swap_lower.src =  'images/swap_lower_' + caller + '.gif';
}

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_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];}
}