Open the Sharepoint editor and open the page you want to edit. Highlight the link or button you want to use to open the workflow chart. Open the "Content Editor."
Double-click the XL document to edit. Add the following line of code to link an "onClick" event to the link or button:
<xsl:attribute name=”open”> <xsl:text>Workflow Button</xsl:text> <xsl:attribute name=”onclick”>
Change the "myworkflow" ID to the name of your own Workflow form.