function form_validation(frms) { 
       var msg = "";
       if(!frms.first_name.value) {
       		msg += "Please enter First name \n";
       }
       if(!frms.last_name.value) {
       		msg += "Please enter Last name \n";
       }
       if(!frms.city.value) {
       		msg += "Please enter City \n";
       }          
       if(!frms.email.value) {
       		msg += "Please enter E-mail \n";
       }
       if(frms.email.value!=false) {
			chk_email  = frms.email.value;
			if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(chk_email)))
			{
				msg+="Invalid E-mail Address! Please re-enter \n";
			}
		}
       	if(frms.descrip.value == 'Select') {
       	msg += "Please select your description! \n";
       }
       
        if(msg) {
               alert(msg);
               return false;
       }else {
               return true;

       }
}