COMMON widgets, img1, sld_min1, sld_max1, path_bx1, files1, col_table1, $
	img2,sld_min2,sld_max2,path_bx2,files2,col_table2,btns1,btns2,  $
	mult_sld1,mult_sld2

COMMON vars,fltr,filelist1,filelist2,image1,image2,image3,path1,path2,hdu1,hdu2,hdu3,  $
	base1,base2,buff1,buff2,final_img,tables,buff_flag,mn,mx,savpath,go