// JavaScript Document
function switchDiv(divId){
qId = document.getElementById(divId);
if (qId.style.visibility!='visible'){qId.style.visibility='visible';}
else {qId.style.visibility='hidden'}
}
	
	
	
function enhance(cell){
cell.className="enhance";

if(cell.previousSibling){
	//alert('sibling-1!');
cell.previousSibling.className="enhance_1";
		}
		
if(cell.nextSibling){
	//alert('sibling+1!');
cell.nextSibling.className="enhance_1";
		}
	
}

function init_enhance(){
cellz=document.getElementById('bottom_table').getElementsByTagName('td');
for (i=0; i<cellz.length; i++){
	cellz[i].onmouseover=function(){enhance(this); }
	cellz[i].className ="";
	cellz[i].onmouseout=function(){init_enhance();}
		}

}


function reinit_enhance(){
cellz=document.getElementById('bottom_table').getElementsByTagName('td');
for (i=0; i<cellz.length; i++){
	cellz[i].onmouseover=function(){enhance(this); }
	
	cellz[i].onmouseout=function(){reinit_enhance();}
		}

}