clean up the preview of CQ page on author and toggle wcmmode=disabled

toggle_wcmmode-disabled.js

// get current string location
var loc = document.URL;
// strip cf#/ from it to get rid of that annoying left rail image bar
loc = loc.replace('cf#/', '');
// if wcmmode=disabled is already set
if( loc.match(/[?|&]wcmmode=disabled/)){
	// new location is the URL without wcmmode=disabled
	loc = loc.replace(/[?|&]wcmmode=disabled/, '');
} else {
	// otherwise, add wcmmode=disabled 
	//(either as ?wcmmode=disabled or &wcmmode=disabled if there is already a first GET variably)
	loc += loc.match(/[?]/) ? '&wcmmode=disabled' : '?wcmmode=disabled';
}
// change to the new URL
window.location = loc;