function chfontsize(box,size){
	var cssbox = document.getElementById(box);
	cssbox.style.fontSize = size;
}


rollovers=function(off,on){
	img=document.getElementsByTagName("img");
	p=[];
	var off_reg=new RegExp(off+"(\.[a-z]+$)","i");
	var on_reg=new RegExp(on+"(\.[a-z]+$)","i");
		for(var x=0,i;i=img[x];x++){
			if(i.src.match(off_reg)){
			p[x]=new Image();
			p[x].src=i.src.replace(off_reg,on+"$1");
			i.bs = i.src;
			i.active = false;
			i.hs = i.src.replace(off_reg,on+"$1");
			i.onmouseover=function(){
				if( this.src.match(off_reg) ){ this.src=this.src.replace(off_reg,on+"$1"); };
			};
			i.onmouseout=function(){
				if(!this.active && this.src.match(on_reg) ){ this.src=this.src.replace(on_reg,off+"$1"); };
			};
		};
	};
};