function validEmail(email) {
		invalidChars = " /:,;"
		if (email == "") {
			return false
		}
		for (i=0; i<invalidChars.length; i++) {
			badChar = invalidChars.charAt(i)
			if (email.indexOf(badChar,0) != -1) {
				return false
			}
		}
		atPos = email.indexOf("@",1)
		if (atPos == -1) {
			return false
		}
		if (email.indexOf("@",atPos+1) != -1) {
			return false
		}
		periodPos = email.indexOf(".",atPos)
		if (periodPos == -1) {
			return false
		}
		if (periodPos+3 > email.length)	{
			return false
		}
		return true
}


function validateform(form){//check form correct........
  cango1=true;
  cango2=true;
  cango3=true;
  cango4=true;
  cango5=true;
  cango7=true;

  if (form.email1.value==""){
    cango1=false;
  }else{
    if (form.email2.value==""){
      cango2=false;
    }else{
      if (form.email1.value==form.email2.value){
        if (!validEmail(form.email1.value)){
          cango3=false;
        }//else good to go
      }else{
        cango4=false;//not equal
      }
    }
  }

  if (form.name.value=="") cango5=false;
  if (form.enquiry.value=="") cango7=false;

  
  if (!cango5){
    alert("Please enter your name...");
    form.name.focus();
    form.name.select();
  }else{
    if (!cango7){
      alert("Please enter your enquiry details...");
      form.enquiry.focus();
      form.enquiry.select();
    }else{
        if ((!cango1)||(!cango2)||(!cango3)||(!cango4)){//problem with email address...
          if (!cango1){
            alert("Blank email address! Please enter your valid email address in both areas so we can contact you.");
            form.email1.focus();
            form.email1.select();
          }else{
            if (!cango2){
              alert("Blank repeat email address! Please enter your valid email address in both areas.");
              form.email2.focus();
              form.email2.select();
            }else{
              if (!cango3){
                alert("This email address is not valid - please correct it!");
                form.email1.focus();
                form.email1.select();
              }else{
                if (!cango4){
                  alert("The email addresses do not match - please repeat your address!");
                  form.email1.focus();
                  form.email1.select();
                }
              }
            }
          }  
        }else{//good email
          form.submit();
        }
    }
  }
}