function perma(name) {
    var title =  name.toLowerCase() 
                .replace(/^\s+|\s+$/g, "")         
                .replace(/[_|\s]+/g, "_") 
                .replace(/[^a-z0-9_]+/g, "") 
                .replace(/[-]+/g, "_") 
                .replace(/^-+|-+$/g, "")                         
                ;

    return title;
}
function permaurl(name, year) {
    var title =  name.toLowerCase() // change everything to lowercase^M
                .replace(/^\s+|\s+$/g, "") 
                .replace(/[_|\s]+/g, "_") 
                .replace(/[^a-z0-9_]+/g, "") 
                .replace(/[-]+/g, "_") 
                .replace(/^-+|-+$/g, "") 
                ;

    var newlink = 'http://iri.columbia.edu/features/' + year + '/' + title +'.html';
    
    return newlink;
}
function strescape(mystring) {
    var newstring =  mystring.replace(/[']+/g, "\'") // escape all apostrophes         
    
    return newstring;
}

 
function email_addr(name,host,otherName) {
		var email = name + "@" + host;
		var linktext = 'email';   // text to display within link
		if (otherName) {
			linktext = otherName;			
		}
		document.write("<a href=\"mailto:" + email + "\">" + linktext +"</a>");		
		document.close();
}