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_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_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];}
}

var startListHome = function() {
	startList();
	MM_preloadImages('images/banners/security-solutions.jpg','images/banners/experts_it.jpg','images/banners/support-solutions.jpg','images/banners/small-business-solutions.jpg');
}

var startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}

function show_item(form)
{
	if (form.elements['select'].selectedIndex < 0)
	{
			alert ('You have not selected a file!');
	}
	else
	{
		popup('preview_item.php?file=' + (form.elements['select'].value),'preview','700','700',true)
	}
}

function confirmdelete() {
	return confirm("Are you sure you want to delete this item?\n\nPLEASE NOTE: This Cannot Be Undone!");
}

function confirmclear() {
	return confirm("Are you sure you want to clear this item?");
}

function MM_findObj(n, d) { //v4.01
	var p,i,x;  
	if(!d) d=document; 
	
	return d.getElementById(n);
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  
  for (i=0; i<(args.length-2); i+=3) 
  { 
  	test=args[i+2]; val=MM_findObj(args[i]);
	
	if (val) 
	{ 
		nm=val.name; 
		if ((val=val.value)!="") 
		{
			if (test.indexOf('isEmail')!=-1) 
			{ 
				p=val.match(/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]{1,})*\.([a-z]{2,}){1}$/);
				if (!p)
				{
					errors+='- '+nm+' must contain an e-mail address.\n';
				} 
			} 
	  		else if (test!='R') 
	  		{ 
	  			num = parseFloat(val);
        		if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        		if (test.indexOf('inRange') != -1) 
				{ 
					p=test.indexOf(':');
         			min=test.substring(8,p); max=test.substring(p+1);
          			if (num<min || max<num)	errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    			} 
			} 
	} 
	else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } 
  
  
  if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
  
}

function check_display(form,inum,run,imax)
{
	if (run == true)
	{
		
		if (inum > imax)
		{
				alert('There are already too many items showing!')
				document.MM_returnValue = false;
		}
		else
			
		{	
			for(var i=0; i < form.elements.length; i++) 
			{ 
				var el = form.elements[i]; 
				if(el.type == "checkbox" && el.name == "display[]" && el.checked) 
				{ 
				 inum++;
				}
			}
			
			if (inum > imax)
			{
					alert ('You have selected too many items selected to show (max ' + imax + ')!\nPlease deselect one!');
					document.MM_returnValue = false;
			}
			else
			{
					document.MM_returnValue = true;
			}
				
		}
	}
	else
	{
			document.MM_returnValue = run;
	}
		
}

function show_item(form)
{
	if (form.elements['select'].selectedIndex < 0)
	{
			alert ('You have not selected a file!');
	}
	else
	{
		popup('preview_item.php?file=' + (form.elements['select'].value),'preview','700','700',true)
	}
}

function popup (url,name,iwidth,iheight,scrollbars)
{
		var extras = ',resizable=no,status=no,toolbar=no,location=no,menubar=no';
		var newpopup;
		
		if (scrollbars == true)
		{
			scrollbars = "yes"
		}
		else
		{
			scrollbars = "no"
		}
		newpopup=window.open(url,name,'height=' + iheight + ',width=' + iwidth + ",scrollbars=" + scrollbars + extras)
		
		try
		{
			newpopup.focus()
		}
		catch(e)
		{
			newpopup=window.open(url,name,'height=' + iheight + ',width=' + iwidth + extras)
			alert('A popup blocker has stopped this popup showing!\r\nEnable popups for this site and try again!');
		}
}