function showHide(id){
	var obj = document.getElementById(id);
	if (obj.style.display == 'none'){
		obj.style.display = 'inline';
	} else{
		obj.style.display = 'none';
	}
}

function addLoadEvent(func) { 
     var oldonload = window.onload; 
     if (typeof window.onload != 'function') { 
          window.onload = func; 
     }
     else {
          window.onload = function() {
               oldonload();
               func();
          }
     }
}