function disable_enable(){
  if (document.all || document.getElementById){
    if (document.newCat.catParent.disabled==true) {
      document.newCat.catParent.disabled=false;
	  document.newCat.catImage.disabled=false;
	}
    else {
      document.newCat.catParent.disabled=true;
	  document.newCat.catImage.disabled=true;
	}
    if (document.newCat.catPosition.disabled==true) {
      document.newCat.catPosition.disabled=false;
	}
    else {
      document.newCat.catPosition.disabled=true;
	  
	}
  }
}

function popUp(URL) {
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=620,height=666');");
}

function changePage(newLoc) {
  nextPage = newLoc.options[newLoc.selectedIndex].value	
  if (nextPage != "") {
    document.location.href = nextPage
  }
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "block" ) {
		el.style.display = 'block';
	}
	else {
		el.style.display = '';
	}
}

function checkform (form)
{
  if (form.itemName.value == "" || form.itemPrice.value == "") {
    alert("Please supply a name and a price for this product");
    return false ;
  }
}

function showPic (whichpic) {
 if (document.getElementById) {
  document.getElementById('placeholder').src = whichpic.href;
  if (whichpic.title) {
   document.getElementById('desc').childNodes[0].nodeValue = whichpic.title;
  } else {
   document.getElementById('desc').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue;
  }
  return false;
 } else {
  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) { //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 hideElement(id) { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById(id).style.display = 'none'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideshow.display = 'none'; 
} 
else { // IE 4 
document.all.hideshow.style.display = 'none'; 
} 
} 
} 

function showElement(id) { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById(id).style.display = 'block'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideshow.display = 'block'; 
} 
else { // IE 4 
document.all.hideshow.style.display = 'block'; 
} 
} 
} 

/* Use above with:

<a href="javascript:hidediv('hideshow')">Hide div</a>

<a href="javascript:showdiv('hideshow')">show div</a>

*/