function writeTrimester(){ 
    <!--var fall = '<a href="javascript:;" onFocus="if(this.blur)this.blur()" -->
	<!-- onClick="MM_goToURL(parent,classes_fall2004.htm);return document.MM_returnValue">Fall 2004</a><br>'; -->	
	<!--var spring = '<a href="javascript:;" -->
	<!--   onClick="MM_goToURL(&#39parent&#39,&#39classes_spring2005.htm&#39);return document.MM_returnValue" onFocus="if(this.blur)this.blur()"> Spring 2005</a><br>';	
	   var summer = '<a href="javascript:;" onFocus="if(this.blur)this.blur()" onClick="MM_goToURL(&#39parent&#39,&#39classes_summer2008.htm&#39);return document.MM_returnValue">  Summer 2008</a><br>';	
	<!--var winter = '<a href="javascript:;" onClick="MM_goToURL(parent,classes_winter2005.htm);return document.MM_returnValue" onFocus="if(this.blur)this.blur()"> Winter</a>';-->	
	<!--var fallspring = '<a href="javascript:;" onClick="MM_goToURL(&#39parent&#39,&#39classes_fall_spring.htm&#39);return document.MM_returnValue" onFocus="if(this.blur)this.blur()"> Fall 2007/Spring 2008</a>';-->	
	<!-- document.write(fallspring)-->	
document.write(summer);}