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 isRadioListEmpty(myradiobutton) {

myOption = -1;
for (i=myradiobutton.length-1; i > -1; i--) {
if (myradiobutton[i].checked) {
myOption = i;
}
}
if (myOption == -1) {
return true;
}
return false;
} 
  
 
 
function Validate(form){
  

	 var error = '';
	 var regexp = '';
	 with (form){
		 if (Trim(first_name.value) == '') error += '- First name\n';
		 if (Trim(last_name.value) == '') error += '- Last name\n';
		 if (Trim(last_name.value) == '') error += '- Company/Facility\n';
		 if (Trim(email.value) == '') error += '- Email\n';
		 	if (isRadioListEmpty(services)) error += '- Area or Industry of Interest\n';	
					
	 }


	 if (error){
		 error = 'Please complete all of the\nfollowing required fields:\n\n' + error;
		 alert(error);
		 return false;
	 }
	 else if (Trim(form.email.value) != ''){
		 if (BadEmail(form.email.value)){
			 error = 'The email address entered is not valid';
			 alert(error);
			 return false;
		 }
	 }
	 else return true;
}



function BadEmail(str){
	 var regexp = '';
	 regexp = /@.*@/;
	 if (regexp.test(str)) return true;
	 regexp = /[, ;]/;
	 if (regexp.test(str)) return true;
	 regexp = /.+@[A-Za-z0-9-]+.[A-Za-z0-9-.]*/;
	 if (regexp.test(str)) return false;
	 return true;
}
 
function Trim(str){
	 var regexp = '';
	 regexp = / $/;
	 while (regexp.test(str)) str = str.substr(0,str.length - 1);
	 regexp = /^ /;
	 while (regexp.test(str)) str = str.substr(1);
	 return str;
}