function showDiv(element) {
var e = document.getElementById(element);
e.style.display= 'block';
}
function hideDiv(element) {
var e = document.getElementById(element);
e.style.display= 'none';
}
function style(what, prop) {
   if (document.getElementById(what).currentStyle ) {  
      var ar = prop.match(/\w[^-]*/g);var s = ar[0];
      for(var i = 1; i < ar.length; ++i) { s += ar[i].replace(/\w/, ar[i].charAt(0).toUpperCase()); }
      return document.getElementById(what).currentStyle[s]
   }
   else if (document.defaultView.getComputedStyle) { return document.defaultView.getComputedStyle(document.getElementById(what), null).getPropertyValue(prop); }
}
function showHide(what) {
 if (style(what,"display")=="none") {
 	showDiv(what);
	
 } else {
 	hideDiv(what);	
 }

}