function displayEdit(){
	var elt = document.getElementById('editswitch');
	var str;
	var m_url=window.location.href;

	if(window.location.search.indexOf('edit') > 0){
		// hide
		/*var pos = m_url.lastIndexOf("/");
		if(pos==m_url.length){
			n_url = m_url.substring(0,pos);
		}else{
			n_url = m_url;
		}*/

		if(window.location.search == '?edit=1'){
			n_url = m_url.replace(window.location.search,'');
		}else{
			
			var ss = window.location.search;
			ss = ss.replace('&edit=1','')
			n_url = m_url.replace(window.location.search,ss);
		}
	
		str = '<a href="'+n_url+'">Hide Edit</a>';
	}else{

		if(m_url.indexOf("?") > 0 ){
			str = '<a href="'+m_url+'&edit=1">Show Edit</a>';
		}else{
			str = '<a href="?edit=1">Show Edit</a>';
		}
		
	}
	elt.innerHTML=str;
}

window.onload=function(){
	displayEdit();
}