function show(id){
	zone = document.getElementById(id);
	
	if( zone && zone.style.display=='none'){
		
		zone.style.display='';
		
	}
	else if(zone){
		
			zone.style.display='none';
		
	}
}

function cursor(value){
	
	this.style.cursor = value;
	
}
	

function changecss(theClass,element,value) {
//documentation for this script at http://www.shawnolson.net/a/503/
//credit to Shawn Olson & http://www.shawnolson.net
 var cssRules;
 if (document.all) {
  cssRules = 'rules';
 }
 else if (document.getElementById) {
  cssRules = 'cssRules';
 }
 for (var S = 0; S < document.styleSheets.length; S++){
  for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
   if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
    document.styleSheets[S][cssRules][R].style[element] = value;
   }
  }
 }	
}