const getArgs = (params) => {
    const args = {}
    params.split('&').forEach((a) => {
        const words = a.split("=")
        if(words.length>=2) {
            args[words[0]] = words[1]
        }
    })
    return args
}

const setReturnLink = () => {
    const url = document.location.toString()
    const parts = url.split("?")
    if(parts.length > 1) {
        const args = getArgs(parts[1])
        if('returnTo' in args) {
            const returnTo = args['returnTo']
            document.getElementById("returnLink").href = returnTo
        }
    }
}
setReturnLink()