//=============================================================================================
// File: common.js
// Purpose: common javascript functions and variables
//=============================================================================================

//image preloader
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];}}
}

//image swap function
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];}
}


//image restore function
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;
}


//Macromedia object script
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;
}

//Window open and center script
function displayWindow(theURL,winName,width,height,features) { //v3.1
    var window_width = width;
    var window_height = height;
    var newfeatures= features;
    var window_top = (screen.height-window_height)/2;
    var window_left = (screen.width-window_width)/2;
    newWindow=window.open(''+ theURL + '',''+ winName + '','width=' + window_width + ',height=' + window_height + ',top=' + window_top + ',left=' + window_left + ',features=' + newfeatures + '');
    newWindow.focus();
}

//Macromedia window open script
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

//Macromedia go to page script
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

//Object class change script
function pviiClassNew(obj, new_style) { //v2.3 by PVII
  obj.className=new_style;
}


//Snap layer to object
function P7_Snap() { //v2.62 by PVII
  var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=P7_Snap.arguments;a=parseInt(a);
  for (k=0; k<(args.length-3); k+=4)
   if ((g=MM_findObj(args[k]))!=null) {
    el=eval(MM_findObj(args[k+1]));
    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);var 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{var 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;var 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;}}}
   if(el) {e=(document.layers)?el:el.style;
   var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
   if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4){xx+="px";yy+="px";}
   if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
    xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    xx+="px";yy+="px";}e.left=xx;e.top=yy;}}
}


//Show-hide layers
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

//bookmark function
function addBookmark(title,url) {
  if (window.sidebar) { 
  window.sidebar.addPanel(title, url,""); 
  } else if( document.all ) {
  window.external.AddFavorite( url, title);
  } else if( window.opera && window.print ) {
  return true;}
}

//layer animation magic
function P7AniMagic(el, x, y, a, b, c, s) { //v2.5 PVII
 var g,elo=el,f="",m=false,d="";x=parseInt(x);y=parseInt(y);
 var t = 'g.p7Magic = setTimeout("P7AniMagic(\''+elo+'\','; 
 if ((g=MM_findObj(el))!=null) {d=(document.layers)?g:g.style;}else{return;}
 if (parseInt(s)>0) {eval(t+x+','+y+','+a+','+b+','+c+',0)",' + s+')');return;}
 var xx=(parseInt(d.left))?parseInt(d.left):0;
 var yy=(parseInt(d.top))?parseInt(d.top):0;
 if(parseInt(c)==1) {x+=xx;y+=yy;m=true;c=0;}
 else if (c==2) {m=false;clearTimeout(g.p7Magic);}
 else {var i=parseInt(a);
  if (eval(g.moved)){clearTimeout(g.p7Magic);}
  if (xx<x){xx+=i;m=true;if(xx>x){xx=x;}}
  if (xx>x){xx-=i;m=true;if(xx<x){xx=x;}}
  if (yy<y){yy+=i;m=true;if(yy>y){yy=y;}}
  if (yy>y){yy-=i;m=true;if(yy<y){yy=y;}}}
 if (m) {if((navigator.appName=="Netscape") && parseInt(navigator.appVersion)>4){
    xx+="px";yy+="px";}
  d.left=xx;d.top=yy;g.moved=true;eval(t+x+','+y+','+a+','+b+','+c+',0)",'+b+')');
  }else {g.moved=false;}
}



// Cookie Functions  ////////////////////  (:)

// Set the cookie.
// SetCookie('your_cookie_name', 'your_cookie_value', exp);
// Get the cookie.
// var someVariable = GetCookie('your_cookie_name');
var expDays = 100;

var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1) { endstr = document.cookie.length; }
	return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
		var j = i + alen;    
		if (document.cookie.substring(i, j) == arg) return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}

function SetCookie (name, value) {  
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null;  
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}
// cookieForms saves form content of a page.
// use the following code to call it:
//  <body onLoad="cookieForms('open', 'form_1', 'form_2', 'form_n')" onUnLoad="cookieForms('save', 'form_1', 'form_2', 'form_n')">
// It works on text fields and dropdowns in IE 5+
// It only works on text fields in Netscape 4.5

function cookieForms() {  
	var mode = cookieForms.arguments[0];
	for(f=1; f<cookieForms.arguments.length; f++) {
		formName = cookieForms.arguments[f];
		if(mode == 'open') {	
			cookieValue = GetCookie('saved_'+formName);
			if(cookieValue != null) {
				var cookieArray = cookieValue.split('#cf#');
				if(cookieArray.length == document[formName].elements.length) {
					for(i=0; i<document[formName].elements.length; i++) {
						if(cookieArray[i].substring(0,6) == 'select') { document[formName].elements[i].options.selectedIndex = cookieArray[i].substring(7, cookieArray[i].length-1); }
						else if((cookieArray[i] == 'cbtrue') || (cookieArray[i] == 'rbtrue')) { document[formName].elements[i].checked = true; }
						else if((cookieArray[i] == 'cbfalse') || (cookieArray[i] == 'rbfalse')) { document[formName].elements[i].checked = false; }
						else { document[formName].elements[i].value = (cookieArray[i]) ? cookieArray[i] : ''; }
					}
				}
			}
		}
		if(mode == 'save') {	
			cookieValue = '';
			for(i=0; i<document[formName].elements.length; i++) {
				fieldType = document[formName].elements[i].type;
				if(fieldType == 'password') { passValue = ''; }
				else if(fieldType == 'checkbox') { passValue = 'cb'+document[formName].elements[i].checked; }
				else if(fieldType == 'radio') { passValue = 'rb'+document[formName].elements[i].checked; }
				else if(fieldType == 'select-one') { passValue = 'select'+document[formName].elements[i].options.selectedIndex; }
				else { passValue = document[formName].elements[i].value; }
				cookieValue = cookieValue + passValue + '#cf#';
			}
			cookieValue = cookieValue.substring(0, cookieValue.length-4); // Remove last delimiter
			SetCookie('saved_'+formName, cookieValue, exp);		
		}	
	}
}

//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);


function formrule(field)
	{
		if (field.defaultValue == field.value) field.value = "";
	}