jQuery Progress Bar Not Showing Progress -

i found jquery progress bar function , want use show progress bar while web page loading.actually included code , images.the progress bar showing percentage not showing progress

please me.i have added image.

create div of, 150px in width , 15px in height. within div create height of 15px width of 0.

<div style="height:15px; width:150px; background-color:white; ">     <div style="height:15px;width:0; background-color:blue; "></div> </div> 

then, create timer updates every 200ms or , have width of inner div update according progress made. width becomes (% complete) * 150px.