function showAndHide(theId) 
{ 
   var el = document.getElementById(theId) 

   if (el.style.display=="none") 
   { 
      el.style.display="block"; //show element 
   } 
   else 
   { 
      el.style.display="none"; //hide element 
   } 
} 



function popitup(url) {
	//alert(url);
	newwindow=window.open(url,'name','height=400,width=600');
	if (window.focus) {newwindow.focus()}
	return false;
}

function popitup_small(url) {
	//alert(url);
	newwindow=window.open(url,'name2','height=250,width=400');
	if (window.focus) {newwindow.focus()}
	return false;
}

function popitup_Big(url) {
	//alert(url);
	newwindow=window.open(url,'name3','height=600,width=740');
	if (window.focus) {newwindow.focus()}
	return false;
}