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 isNumber(obj){	 
		 if (isNaN(obj.value)){
			alert('Only numbers are valid');
			document.getElementById(obj.id).focus();
		 }	 
	}
	
	function isValidIPAddress(ipaddr) {
		var re = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
		var valid = true;
		if (ipaddr.length > 0){
			if (re.test(ipaddr)) {
			  var parts = ipaddr.split(".");
			  if (parseInt(parseFloat(parts[0])) == 0) { valid = false; }
			  for (var i=0; i<parts.length; i++) {
				 if (parseInt(parseFloat(parts[i])) > 255) { valid = false; }
			  }
			  //valid =  true;
			} else {
			  valid = false;
			}
			if (valid == false){
				alert(ipaddr+ ' is not a valid IP Address');
				document.deviceAdd.ipaddress.focus();
				return false;
			}else{
				return true;
			}
		}
	}

function tabdataInit() {
	var tables = document.getElementsByTagName('table');
	for (var t=0; t<tables.length; t++) {
		if ('sortable'==tables[t].className) {
		var rows = document.getElementsByTagName('tr');
			for (var i = 0; i < rows.length; i++) {
				rows[i].onmouseover = function() {
					this.className += ' hilite';
				}
				rows[i].onmouseout = function() {
					this.className = this.className.replace('hilite', '');
				}
			}
		}
	}
}