Coldfusion - Cfdiv bind URL - onclick

I have recently discovered the cfdiv bind url and have used it with some applications. In the code below i have a image that when mouseover I would would like to bind the
cfdiv which will place a form in the div.  It s but its buggy. it works onload insead of onmouseover of the image id=product. The value attribute is passed fine.

<div align="right"><img src="<cfoutput>#imagepath#</cfoutput>/go_button.gif" width="39" height="19" border="0" id ="product" value="creditcard"></div>	
<!--- i want this to bind when they mouseover the image id= product --->
 
<cfdiv bind="url:additionalinfoForm.cfm?product={product@onmouseover}" />
 
<!----What happens now is that it binds when loaded --->

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