function emailvalid(e)
 {  var m = e.value
	var n = e.value
	  var cnt=0,spc=0,dot=0;
	  for(var i=1;i<=m.length;i++)
	  {
		 if(m.charAt(i)=="@")
			cnt++;
		 if(m.charAt(i)==" ")
			spc++;
		 if(m.charAt(i)==".")
			dot++;
	 }
	  lnm=m.length
	  if(cnt==0||cnt>1||spc!=0||dot==0 ||lnm<=2)
	  {
		alert("Invalid mail address.Mail id should have an @,nospaces and a '.'   ");
		e.focus();
		return false;
	  } 
 }

function logchk()
{
 var d=document.form1;
  if(d.loginid.value=="") 
  { 
   alert("Enter Your Email ID")
   d.loginid.focus();
   return false;
   }
 if(d.pwd.value=="") 
  { 
   alert("Enter Password")
   d.pwd.focus();
   return false;
   }
 d.action="loginchk.asp";
}

function logchkmain()
{
 var d=document.form1;
  if(d.loginid.value=="") 
  { 
   alert("Enter Your Email ID")
   d.loginid.focus();
   return false;
   }
 if(d.pwd.value=="") 
  { 
   alert("Enter Password")
   d.pwd.focus();
   return false;
   }
 d.action="html/loginchk.asp";
}