function show_layer(TheLayer,TheAttrib){

if (document.getElementById) {  // DOM3 = IE5, NS6
document.getElementById(TheLayer).style.visibility = TheAttrib;

}
else {
if (document.layers) {  // Netscape 4
document.layers[TheLayer].visibility = TheAttrib;
}
else {  // IE 4
document.all(TheLayer).style.visibility = TheAttrib;
      }
   }
}

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];}
}

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 check_login(){
complete = "true"
msg = "";

if (document.login_form.username.value == "") {
	msg = msg + "Username\n";
	complete = "false"
}
if (document.login_form.password.value == "") {
	msg = msg + "Password\n";
	complete = "false"
}

if (complete != "true") {
	alert("Your form seems to be incomplete. Please fill in the following:\n" + msg);
}
else {
	document.login_form.submit();
}
}

function check_search() {

if (document.serach_form.keywords.value != "") {
	document.serach_form.submit();
}


}