Safari/Webkit处理功能在ajax之后太早:完成

i have an ajax call i am doing and its working just fine. thing is, i need the dimensions of an image. i cant declare these dimensions in html, cause they are dynamically resized. now if i call a function during my complete state, for fetching these dimensions, webkit browsers put out 0, while FF puts out the correct dimensions.i have an ajax call i am doing and its working