Checking to see if a variable contains a string

[Stu Richmond]

HI can someone please tell me how to check the contents on a variable (which is loading external data) to see if it contains anything. i.e variable "title1"

if (title1 =="")
{_root.datahold er.button_1._vi sible = false
}

this is how I thought it would work, what am I doing wrong

[Stu Richmond]

Hi Guys,

I have managed to find it:

if (title1 == undefined)
{_root.datahold er.button_1._vi sible = false
}

thanks anyway.

Stu