Here are some snippets I've come across:
Have a pop-up window, and would like to have a close button, like you see on other sites:
javascript:window.close();
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Re-Direct:
<meta http-equiv="refresh" content="0; url=http://www.yoursite.com/">
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Read Only Text Box:
After text box name in HTML, add: readonly="true"
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Scrolling text box:
<div style="overflow:auto; height:250px; width:300px;">
FORMATTED TEXT GOES HERE
</div>
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MouseOver Link Hider:
<a href="http://www.yoursite.com/" style="font-size:12px;color:#ffffff;font-family:verdana;"
onMouseOver="window.status='TEXT HERE'; return true;" onMouseOut="window.status=''; " target="_top">TEXT HERE</a>
Email W/ Image:
<a href="mailto:you@yoursite.com" onMouseOver="window.status='TEXT HERE'; return true;" onMouseOut="window.status=''; "><img border="0" src="image url here" width="96" height="64"></a>
Email W/ Text:
<a href="mailto:you@yoursite.com" onMouseOver="window.status='TEXT HERE'; return true;" onMouseOut="window.status=''; ">TEXT HERE</a>
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Alt tag on text code
<span title="Your Message Here!"><b>HOVER YOUR MOUSE HERE.</b></span>
To add an alt tag to a text link would be like this;
<span><a href="index.html" title="Your Message Here!" target="_blank">Click Here</a></span>
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Link Pop-Up Alert:
<a href="http://www.yoursite.com"
onMouseOver="alert('YOUR MESSAGE HERE');return true;">Link Text Goes Here</a>
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Go Back:
<a href="#" onClick="history.go(-1)">Back</a>
Or:
<input type=button value="Back" onClick="history.go(-1)">
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Accept or Deny:
<input type="submit" name="Submit" value="Accept" onclick="window.location.href='http://www.yoursite.com'"/>
<input type="submit" name="Submit2" value="Decline" onclick="window.location.href='http://www.google.com'"/>