// JavaScript Document

/* define variables for "if n4 (Netscape 4), if IE (IE 4.x), 
and if n6 (if Netscape 6/W3C-DOM compliant)" */

var n4, ie, n6;

/* detecting browser support for certain key objects/methods and 
assembling a custom document object */


var doc,doc2,doc3,sty;

if (document.layers) {
  doc = "document.";
  doc2 = ".document.";
  doc3 = "";
  sty = "";
  n4 = true;
}
else if (document.all) {
  doc = "document.all.";
  doc2 = "";
  doc3 = "";
  sty = ".style";
  ie = true;
}
else if (document.getElementById) {
  doc = "document.getElementById('";
  doc2 ="')";
  doc3 ="')";
  sty = "').style";
  n6 = "true";
}
	
//show or hide
function showhide(divname,state) {
	if (n4) {
		divObj = eval (doc + divname);
	}
	else {
		divObj = eval (doc + divname + sty);
	}
	divObj.display = state;
}