var disc_code="BSTARTBIRM";
var disc_code2="NEWBUS";
function check_code(total){
var num=document.form.discount_code.value;
num=num.replace(/^\s+|\s+$/g,"");
num=num.toUpperCase();
if(num==disc_code){
total=(total/100*90);
document.getElementById('discount').innerHTML="10% discount authorised";
total_text+="| 10%Discount |
";
}else if(num==disc_code2){
total=(total/100*50);
document.getElementById('discount').innerHTML="50% discount authorised";
total_text+="| 50%Discount |
";
}else{
document.getElementById('discount').innerHTML=" ";
}
return total;
}