function hideISBN(){
	if(!document.getElementById || !document.createTextNode){return;}
	var ISBNHidding = document.getElementById("isbnSmall");
	if(ISBNHidding == null){return;}
	ISBNHidding.style.display = 'none';
	
}
function clickIt(){
	if(!document.getElementById || !document.createTextNode){return;}
	var isbnSmall =document.getElementById("isbnSmall");
	if( isbnSmall == null){return;}
	isbnSmall.style.display= (isbnSmall.style.display=='block')?'none':'block';
	
	var isbnBig =document.getElementById("isbnBig");
	if( isbnBig == null){return;}
	isbnBig.style.display= (isbnBig.style.display=='block')?'none':'block';

}
function addEvent(el, eType, fn, uC)
	{
    if (el.addEventListener)
    {
    el.addEventListener(eType, fn, uC);
    return true;
    } else if (el.attachEvent) {
   return el.attachEvent('on' + eType, fn);
    } else {
    el['on' + eType] = fn;
    }	
} 
function mouseover(){
	if(!document.getElementById || !document.createTextNode){return;}
	var hide = document.getElementById('isbn');
	if(!hide){return;}
	hide.style.display = 'block';
	}
function mouseout(){
	if(!document.getElementById || !document.createTextNode){return;}
	var hide = document.getElementById('isbn');
	if(!hide){return;}
	hide.style.display = 'none';
	}
	


	
addEvent(window, 'load', hideISBN, false);