function swapTab(newDesc, newTab, total) {
	document.getElementById("mce_content").innerHTML = document.getElementById(newDesc).innerHTML;
	sIFR.replace(matrix, {
	    selector: '#mce_content h1'
	    ,css: [
	      '.sIFR-root { text-align: left; font-weight: normal; color: #000000;}'
	    ]
		,wmode: 'transparent'
	  });
	  
	var thisTab;
	for (var x = 1; x <=total; x++) {
		thisTab = "tab_" + x;
		document.getElementById(thisTab).style.background = "url(images/tab_off.gif)";
	}
	
	document.getElementById(newTab).style.background = "url(images/tab_on.gif)";
}