Please help

Hey guys can ya help out with a preloader issue…im using one off of the developers exchange. i think the problem is somewhere with this…

this.pct_str = (Math.round(cf/tf * 100)).toString(); is in the as file

it recognizes content loaded, i have a dynamic text field with a variable of pct_str however while the preloader seems to function correctly the preloaders are not displaying the percent loaded please help the site is www.muggidon.com thx