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@if
<![CDATA[
Syntax
@if (condition1)
statement1
@elif (condition2)
statement2
@else
statement3
@end
The @if statement operates much like a typical if conditional statement.
The @if statement evaluates compiled variables and has a slightly different syntax.
The @elif statement operates the same as the JavaScript else... if statement
Only one @else statement should be used to catch conditions that don't meet any of the previous conditionals.
Like the @elif statement, the @else statement is optional.
The @end statement is required at the end of all if conditionals.
<html>
<script language="JScript">
<!--
@if(@_alpha)
alert("You are using a DEC Alpha processor.");
@elif(@_mc680x0)
alert("You are using a Motorola 680x0 processor.");
@elif(@_PowerPC)
alert("You are using a Motorola PowerPC processor.");
@elif(@_x86)
alert("You are using an Intel processor.");
@else
alert("I don't know what type of processor you have!");
@end
-->
</script>
</html>
]]>