var errors='';
var err=0;
function sendmail()
	{	
			if (form4.Email.value == "" )
				{
				alert ("Please enter your email");
				document.form4.Email.focus();
				return false;
				}
			else
			{		
				StrMail= document.form4.Email.value;
				 p=StrMail.indexOf('@');	
				 
				 if (p==-1)
				 {
				 alert (" Email must contain an e-mail address");
				 document.form4.Email.focus();
				 return false;
				 }
			 else
				{
					mail = form4.Email.value;
					ss="joinnews.asp?mail=";
					ss=ss+mail;
					window.open(ss,'check','width=300,height=200,menubar=no,scrollbars=yes,toolbar=no,location=no,directories=no,resizable=yes,top=200,left=300');
				}
				 
			 } 
		
		//MM_validateForm('Email','','RisEmail')
		//alert (err);
		//mail = form4.Email.value;
		
		//err=form4.err.value;
		//alert(err);
		
			

	}


<!--
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,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.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        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 (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } 
  if (errors)
  {	
	form4.err.value="error"
	alert('The following error(s) occurred:\n'+errors);  
	err=1;
  }
  else
	sendmail();
   document.MM_returnValue = (errors == '');  
}
//-->




<!--
function load()
{

}

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;
}
//-->//-->