function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

  function validate_form1(sform)
		{
		 if(sform.stime.value=="") 	
             {

            alert("Please enter the time");
            sform.stime.focus();
            return false;
	
           }        	
			
			 if(sform.sdate.value=="") 	
             {

            alert("Please enter the date");
            sform.sdate.focus();
            return false;
	
           }        	
			                                                                                                                   
	   if(sform.smonth.value=="") 	
             {

            alert("Please enter the month");
            sform.smonth.focus();
            return false;
	
           }        
				
		  if(sform.topic.value=="") 	
             {

            alert("Please enter the topic");
            sform.topic.focus();
            return false;
	
           }     
            if(document.sform.pname2.value=="") 	
             {

            alert("Please enter your name");
            document.sform.pname2.focus();
            return false;
	
           }      
          
         if(sform.email2.value=="")	
            {
           alert("Please enter your email");
            sform.email2.focus();
          return false;
	
           }
         var emailID=document.sform.email2
	
	 if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}

            if(sform.contact2.value=="") 	
             {

            alert("Please enter the telephone no:");
            sform.contact2.focus();
            return false;
	
           }
                   
            if(sform.org2.value=="") 	
             {

            alert("Please enter your Organisation name");
            sform.org2.focus();
            return false;
	
           }
            if(sform.country.value=="") 	
             {

            alert("Please enter your Country name");
            sform.country.focus();
            return false;
	
           }
                                 
			
			}