settimeout function javascript for loop
window.purls = [11213,23121,43343,5644,77535]
i = 0;
for (i = 0; i < window.purls.length; i++){
doSetTimeout(i);
}
function doSetTimeout(i) {
setTimeout(function() {
// Code goes here
}, i*1200); //1200 = time in milliseconds
}