var isNav=false;
var isIE=false;
var menu_popups=new Object();
var TimerID;

if (parseInt(navigator.appVersion) >= 4 ) {
	if ( navigator.appName == "Netscape" ) {
		isNav=true;
	} else {
		isIE=true;
	}
}

function unhide_block() {
		if ( isNav ) {
			document.PubContentAdminFooter.display='block';
		} else {
			document.all.PubContentAdminFooter.style.display='block';
		}
	return true;
}

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) { //v3.0
  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); return x;
}

function MM_swapImage(name) { //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 OpenWin(URL,w,h) {
		h=h+100;
		w=w+20;
       thisString = "width="+w+",height="+h+",toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=no,left=20,top=20";	
        Popup = window.open(URL,'Show',thisString);
        if ((navigator.userAgent.indexOf("Mozilla/3.") >=0)||(navigator.userAgent.indexOf("Mozilla/4.") >=0)){
               Popup.focus();
        }
}

function cascade(name) {
	clearTimeout(TimerID);
	for( var menu in menu_popups ) {
		real_hide(menu);
	}
	if ( isNav ) {
		if (document.getElementById) {
			var obj=document.getElementById(name);
			obj.style.visibility='';
		} else {
			var obj=MM_findObj(name);
			obj.visibility='show';
		}
	} else {
		eval("document.all."+name+".style.display='block';");
	}
	eval('menu_popups.'+name+'="'+name+'"');
	return true;
}

function hide(name) {
	clearTimeout(TimerID);
	TimerID=setTimeout("real_hide('"+name+"');", 500);
}

function real_hide(name) {
	if ( isNav ) {
		if (document.getElementById) {
			var obj=document.getElementById(name);
			obj.style.visibility='hidden';
		} else {
			var obj=MM_findObj(name);
			obj.visibility='hide';
		}
	} else {
		eval("document.all."+name+".style.display='none';");
	}
	return true;
}
	
function email_check(){

	var email = document.the_form.email.value;
	var at = email.indexOf("@");		
	var space = email.indexOf(" ");
	var comma = email.indexOf(",");
	var dot = email.indexOf(".");
	var two_dots = email.indexOf("..");
	var length = email.length -1;

			if ((at == -1)||(at == 0)||(at == length)||(space != -1)||(comma != -1)||(two_dots != -1)||(dot == -1)||(dot == length)||(dot == 0))
			{
				alert("Please enter a valid email address.");
				document.the_form.email.focus();
					                               }
		else {
				document.the_form.submit();
		}
}