I am listing a piece of codec sample created on your query for your problem. Just copy paste or better refer it. Then you will came to know where is the problem. Try the below codec's.
PHP Code:
function dispSpent() {
var currForm = window.parent.SelectSquad;
value1 = currForm.myballroom1_value.value;
value2 = currForm.myballroom2_value.value;
if (isNaN(value1) || parseInt(value1) != value1) {
alert('Please enter an integer (whole number).');currForm.goalkeeper1_value.focus();currForm.myballroom1_value.select();return false;
}
if (isNaN(value2) || parseInt(value2) != value2) {
alert('Please enter an integer (whole number).');currForm.myballroom2_value.focus();currForm.myballroom2_value.select();return false;
}
total = eval(value1) + eval(value2);
currForm.spent.value = total;
}
Best of luck.
Bookmarks