/* image swap routine */

function sw(onoff,objName) {
	/*
	alert(onoff +"  " + objName)*/
	var e = document.getElementById('ctl00_' + objName);
	if (e == null)
	{
	    e = document.getElementById(objName)
	}    
    
	if (onoff == 1) {
		
		var newFilename = e.src.substr(0,e.src.lastIndexOf("."));

		newFilename += "on.";
		newFilename += e.src.substr(e.src.lastIndexOf(".") + 1,3);
	} else {

		var newFilename = e.src.substr(0,e.src.indexOf("on"));
		newFilename += e.src.substr(e.src.lastIndexOf("."),4);
	}

	e.src = newFilename;
	
}