function Validate() {
    if (document.signup.agree.checked)
        return true;
    alert('You must agree by checking the box before subscribing!');
    return false;
}

function Validate1() {
    var radio_choice = false;
    for (counter = 0; counter < document.event_reg.po_faxed.length; counter++) {
        if (document.event_reg.po_faxed[counter].checked) {
            radio_choice = true;
        }
    }

    if (!radio_choice) {
	    alert('You must select a Payment Method to register!');
	    return false;
    } else if (document.event_reg.first_name.value == "") {
	    alert('You must enter your First Name to register!');
	    return false;
    } else if (document.event_reg.last_name.value == "") {
	    alert('You must enter your Last Name to register!');
	    return false;
    } else if (document.event_reg.school.value == "") {
	    alert('You must enter your School Name to register!');
	    return false;
    } else if (document.event_reg.address1.value == "") {
	    alert('You must enter your Address to register!');
	    return false;
    } else if (document.event_reg.city.value == "") {
	    alert('You must enter your City to register!');
	    return false;
    } else if (document.event_reg.zipcode.value == "") {
	    alert('You must enter your Zip Code to register!');
	    return false;
    } else if (document.event_reg.phone.value == "") {
	    alert('You must enter your Work Phone (Daytime Phone) to register!');
	    return false;
    } else {
	    if (document.event_reg.state.selectedIndex > 0) {
        	return true;
	    } else {
    		alert('You must enter your State to register!');
    		return false;
	    }
    }
}


function Validate2() {
    if (document.signup2.url.selectedIndex > 0)
        return true;
    alert('You must select a domain before subscribing!');
    return false;
}


function ValidateField(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return false;
	}
	return true;
}





function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}


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 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 expandTextArea (tArea) {

	currentCols = Math.ceil(tArea.value.length / 16);

	if (tArea.rows < currentCols) {
		tArea.rows = currentCols;
	}
}