在用PS做好效果图后，一般面临着切图的问题，而此代码适用于将四边规则，四角不规则的图形切到FLASH中，最后能任意拉伸该图而不变形，更重要的是能够省KB数～-After using PS do renderings, general problems facing cut plan, and this code applies to the four sides of the rules to cut corners irregular graphics FLASH, the last stretch of the figure can be arbitrarily without deformation, more importantly, KB was able to save a few-