/*?¨æ?ï¼?img src="../pic.jpg" onload=?™resizeImage(this,60,90)>*/
function resizeImage(obj, MaxW, MaxH)
{
	var imageObject = obj;
	var state = imageObject.readyState;
	if(state!='complete') 
	{
		setTimeout("resizeImage("+imageObject+","+MaxW+","+MaxH+")",50);
		return;
	}
	var oldImage = new Image();
	oldImage.src = imageObject.src;
	var dW = oldImage.width; 
	var dH = oldImage.height;
	if(dW>MaxW || dH>MaxH) 
	{
		a = dW/MaxW; b = dH/MaxH;
		if( b>a ) a = b;
		dW = dW/a; dH = dH/a;
	}
	if(dW > 0 && dH > 0) 
	{
		imageObject.width = dW;
		imageObject.height = dH;
	}
}

/*
?ªè??¨img中å�ª?‡å?一?‹width?–者ä??‹height屬性ï??¯ä»¥?ªå?實ç�¾?‰æ?例縮??
?¨æ?ï¼?img src="sh180.jpg" width="100" />
*/
function changeImg(mypic){ 
	var xw=160; 
	var xl=180; 
	
	var width = mypic.width; 
	var height = mypic.height; 
	var bili = width/height; 
	
	var A=xw/width; 
	var B=xl/height; 
	
	if(!(A>1&&B>1)) 
	{ 
		if(A<B) 
		{ 
			mypic.width=xw; 
			mypic.height=xw/bili; 
		} 
		if(A>B) 
		{ 
			mypic.width=xl*bili; 
			mypic.height=xl; 
		} 
	} 
} 

/*
?™ç¨®?¹æ??¨IE?�FIREFOX?�OPERA?�NETSCAPE測試?½é�©??
?¨æ?ï¼?img src="img/offer/41936519.jpg" border="0" style="zoom: 0.1" onload="SetSize(this, 80, 60)"/> 
*/
function SetSize(obj, width, height) 
{ 
	myImage = new Image(); 
	myImage.src = obj.src; 
	if (myImage.width>0 && myImage.height>0) 
	{ 
		var rate = 1; 
		if (myImage.width>width || myImage.height>height) 
		{ 
			if (width/myImage.width<height/myImage.height) 
			{ 
				rate = width/myImage.width; 
			} 
			else 
			{ 
				rate = height/myImage.height; 
			} 
		} 
		if (window.navigator.appName == "Microsoft Internet Explorer") 
		{ 
			obj.style.zoom = rate; 
		} 
		else 
		{ 
			obj.width = myImage.width*rate; 
			obj.height = myImage.height*rate; 
		} 
	} 
}