JS控制图片显示的大小(图片等比例缩放)

JS控制图片显示的大小（图片等比例缩放）HTMLHEADTITLENewDocument/TITLEscriptlanguage=JavaScript!--varflag=false;functionDrawImage(ImgD){varimage=newImage();image.src=ImgD.src;if(image.width0&&image.height0){flag=true;if(image.width/image.height=164/112){if(image.width164){ImgD.width=164;ImgD.height=(image.height*164)/image.width;}else{ImgD.width=image.width;ImgD.height=image.height;}ImgD.alt=image.width+x+image.height;}else{if(image.height112){ImgD.height=112;ImgD.width=(image.width*112)/image.height;}else{ImgD.width=image.width;ImgD.height=image.height;}ImgD.alt=image.width+x+image.height;}}}//--/script/HEADBODYahref=./img.jpgtarget=_blankimgsrc=./img.jpgborder=0width=164height=112onload=javascript:DrawImage(this);/a/BODY/HTML