//Specify affected tags. Add or remove from list: 
var tgs = new Array( 'div','p'); 

//Specify spectrum of different font sizes: 
var szs = new Array( '10px','11px','12px','13px','14px','15px','16px' ); 
var startSz = 2; 

function ts( trgt,inc ) { 
if (!document.getElementById) return 
var d = document,cEl = null,sz = startSz,i,j,cTags; 

sz += inc; 
if ( sz < 0 ) sz = 0; 
if ( sz > 6 ) sz = 6; 
startSz = sz; 

if (!( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ]; 

cEl.style.fontSize = szs[ sz ]; 

//for ( i = 0 ; i < tgs.length ; i++ ) { 
//cTags = cEl.getElementsByTagName( tgs[ i ] ); 
//for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ]; 
//} 
}
function fplus()
{
	ts('article',1);
}
function fminus()
{
	ts('article',-1);
}



startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload=startList;