OnMouseOver and OnMouseOut Events

This is the event onMouseOver running when we mouse arrow on an object in this case a link to the event onMouseOut when the arrow leaves him.
This is for image

<a href="url-of-blog"><img onmouseout="this.src='url-image-1';" onmouseover="this.src='url-image-2';" src="url-image-1;" /></a>

This is For Text
Urdu Mafia

<a align="justify" href="url-blog" onmouseout="this.style.color = '#AA0000';" onmouseover="this.style.color = '#55CCFF';" target="top" title="title">anchor text</a>