function push(link,target) {
if(target) {i = getNode(target);}
i.src = link;
}

function getNode( nodeId ) {
if( document.getElementById )
	return document.getElementById( nodeId );
else if( document.all && document.all( nodeId ) )
	return document.all( nodeId );
else if( document.layers && document.layers[ nodeId ] )
	return document.layers[ nodeId ];
else
	return false;
}