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_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() { //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 isEmail(str) {
	  // are regular expressions supported?
	  var supported = 0;
	  if (window.RegExp) {
	    var tempStr = "a";
	    var tempReg = new RegExp(tempStr);
	    if (tempReg.test(tempStr)) supported = 1;
	  }
	  if (!supported) 
	    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	  return (!r1.test(str) && r2.test(str));
	}
	
	function validate_form(theForm) { 
	  if (theForm.realname.value=="") {
	    alert("Please enter your firstname.");
		theForm.first_name.focus();
		return false;
	  }
	  if (theForm.email.value=="") {
	    alert("Please enter your email address.");
		theForm.email.focus();
		return false;
	  }
	  else {
		var strEmail = theForm.email.value;
		goodEmail = isEmail(strEmail);
	
		if (!goodEmail) {
		alert("Please enter a valid email address.");
		theForm.email.focus();
		return false;
		}
	}
	
	  return true;
	}