.holder{
	letter-spacing:-1ex; /*fix to remove the "space" (generated by indentation) beetween elements*/
}
	.holder *{
		letter-spacing:0ex; /*fix to return the default value of the letter-spacing*/
	}
	.holder .inlined-block{
		display:inline-block;
		/*ie6, 7 & 8 hack*/
		*display:inline;
		zoom:1;
		width:49.9%; /*just for example*/
	}

/*
Example
<div class="holder">
	<div class="inline-block">content</div>
	<div class="inline-block">content</div>
	<div class="inline-block">content</div>
	<div class="inline-block">content</div>
	<div class="inline-block">content</div>
</div>
*/

display inline-block crossbrowser (including ie6)

ie6

CSS