data types in javascript (resolved)

i've got a couple of questions regarding data types in javascript:

1. i have a variable that i've declared as "var iOrders;", that's meant to hold an integer. i'm trying to increment this everytime a function is called, using "iOrders += 1;", and then in another function i want a loop that loops through the amount held in iOrders, using this:

Code:

---

for (i = iOrders; i > 0; i--) {
    //do stuff
}

---

but it's saying that the value of iOrders is NaN. is there something i'm meant to do to define iOrders as an integer?

2. i have a multidimensional array which holds some product information, one of the columns being a number (although it's in a string (ie. arrProducts[1][3] = "1234"; ), because some other columns are strings. i need to compare the value of that to a number entered in a textbox, so how can i convert them both to integers? at the moment i'm using this:

Code:

---

if (document.form1.text1.value > arrProducts[i][3]) {
    //do stuff
}

---

thanks for any help :)

1) try setting iOrders to 0 (var iOrders=0;) before the for loop !
2) You'll need to post more code up so I can see what you're trying to do ! There may be a problem with the way you are defining your MD Array

thanks for the first question :)

right, well this is how i'm defining the MD array:

Code:

---

for (i = 0; i < 500; i++) {
    arrProducts[i] = new Array();
}

---

and then i assign values like this:

Code:

---

arrProducts[i][0] = "BLAH-00"; //text
arrProducts[i][1] = "A Product"; //text
arrProducts[i][2] = "10"; //number
arrProducts[i][3] = "100"; //number

---

then in a function i need to test if a value entered in a textbox is great than arrProducts[i][2]. currently doing it like this:

Code:

---

if (document.form1.text1.value > arrProducts[i][2]) {
    //do stuff
}

---

but that's just obviously comparing two text values.

try Math.round()

eg:

Code:

---

if (Math.round(document.form1.text1.value) > Math.round(arrProducts[i][2])) {
    //do stuff
}

---

ah, yeah, that seems to work. thanks. :)