// login validation

		  function dologin() {
		    var u = document.login.username.value;
		    var p = document.login.password.value;
		    var error = "";
		    
		    if(u == "") {
		      error = error + "Please enter your username.\n";
		    } 
		    if(p == "") {
		      error = error + " Please enter your password."
		    }
		    if(p != "" && p != "concorde") {
		      error = error + "Invalid password.";
		    }
		    if(error != "") {
		      alert(error);
		      return false;
		    } else {
		      return true;
		    }
		  }
		  
// form validation
		  
		  function validate() {
		    
		    var d = document.theform;
		    var error = "";
		    var reg = /[0-9]{10}/;
        var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
        var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; 
        
        if(d.name.value == "") {
		      error = error + "Please enter your first name.\n"
		    }
		    if(d.title.value == "") {
		      error = error + "Please enter your title.\n";
		    }
		    if(d.company.value == "") {
		      error = error + "Please enter your company.\n";
		    }
		    if(d.address.value == "") {
		      error = error + "Please enter your address.\n";
		    }
		    if(!reg.test(d.phone.value)) {
		      error = error + "Please enter your 10 digit phone number.\n";
		    }
		    if (!reg1.test(d.email.value) && reg2.test(d.email.value)) { 
        } else {
          error = error + "Please enter a valid email address.";
        }
		    if(error != "") {
		      alert(error);
		      return false;
		    } else {
		      return true;
		    }

		}		
		
// validate username field

		  function validateUsr() {
		    
		    var d = document.theform;
		    var error = "";
		    var reg = /[0-9]{10}/;
        var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
        var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; 
        
        if(d.name.value == "") {
		      error = error + "Please enter your first name.\n"
		    }
		    if(d.title.value == "") {
		      error = error + "Please enter your title.\n";
		    }
		    if(d.company.value == "") {
		      error = error + "Please enter your company.\n";
		    }
		    if(d.address.value == "") {
		      error = error + "Please enter your address.\n";
		    }
		    if(!reg.test(d.phone.value)) {
		      error = error + "Please enter your 10 digit phone number.\n";
		    }
		    if (!reg1.test(d.email.value) && reg2.test(d.email.value)) { 
        } else {
          error = error + "Please enter a valid email address.";
        }
        if(d.username.value == "") {
          Error = error + "Please enter a username.\n";  
        }
		    if(error != "") {
		      alert(error);
		      return false;
		    } else {
		      return true;
		    }

		}