//--------------------------------------------------
//
//	JS UTIL ROUTINES
//
//--------------------------------------------------
function get_param(param_name) {
	var str = "";
	var str2 = window.location.href;
	var i=0;
	var j=0;
	i=str2.indexOf(""+param_name+"=");
	if (i>-1) {
		j=str2.indexOf("&",param_name.length+1+i);
		if (j==-1) { j=str2.length; }
		str=str2.substring(i+param_name.length+1,j)
	}
	return str;
}
//--------------------------------------------------