function findObject(n, d) {
	var p,i,x;  
	if(!d) 
		d=document; 
	if((p=n.indexOf("?")) > 0 && parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	}
  	if(!(x=d[n])&&d.all) 
		x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) 
		x=d.forms[i][n];
  	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
		x=findObject(n,d.layers[i].document);
  	if(!x && d.getElementById) 
		x=d.getElementById(n); 
	return x;
}

function changeProp(objName,theProp,theValue) {
	var obj = findObject(objName);
	if (obj && (theProp.indexOf("style.")==-1 || obj.style)) {
		if (theValue == true || theValue == false)
			eval("obj."+theProp+"="+theValue);
		else 
			eval("obj."+theProp+"='"+theValue+"'");
  	}
}