Bulgarian Jobs Web Portal

function CrawlPages ($pagesObj, $jobsURL, $file)
{
    for($p = 0; $p -le $pagesObj.Length - 1; $p++)
    {
       $pageNext = $jobsURL + $pagesObj[$p].href.ToString()
       $reqNew = Invoke-WebRequest $pageNext
       $jobsLinks = $reqNew.Links | where Class -Match "MainLinkBold" | select -Property href
       for($l = 1; $l -le $jobsLinks.Length - 1; $l++)
     {
      $st = $jobsLinks[$l].href.ToString()
      $nextJob = ""
      $nextJob =  $jobsURL + $st
      $reqsNew = Invoke-WebRequest $nextJob
      #Start-Sleep -Seconds 1
      $jobNew = ""
      $jobNew = $reqsNew.AllElements | where Class -Match "jobDataView" | select -ExpandProperty innerHTML
      Add-Content $file $jobNew
      #set back to zero
      $reqsNew = $null
         $st = $null
      $nextJob = $null
      $jobNew = $null
     }
    }
}
function CrawlJobLinks ($pageLink, $currKeyword, $jobsURL, $file)
{
    $pageLink = $pageLink + $currKeyword
 $req = Invoke-WebRequest $pageLink
 #Start-Sleep -Seconds 1
    $pages = $req.Links | where Class -Match "pathlink" | select -Property href
 $jobLinks = $req.Links | where Class -Match "MainLinkBold" | select -Property href
 #check if we have atleast one page with jobs
    if($jobLinks -ne $null)
    {
     for($i = 1; $i -le $jobLinks.Length - 1; $i++)
     {
      $str = $jobLinks[$i].href.ToString()
      $nextlink = ""
      $nextLink =  $jobsURL + $str
      $reqs = Invoke-WebRequest $nextLink
      #Start-Sleep -Seconds 1
      $job = ""
      $job = $reqs.AllElements | where Class -Match "jobDataView" | select -ExpandProperty innerHTML
      Add-Content $file $job
      #set back to zero
      $reqs = $null
         $str = $null
      $nextLink = $null
      $job = $null
     }
        #check if there are more than one page with jobs
        if($pages -ne $null)
        {
            #can be done via extension methods or recursion...add PageObjectModel
            CrawlPages -pagesObj $pages -jobsURL $jobsURL -file $file
        }
    }
}
$date = Get-Date
$date = "{0:dd_MM_yyyy}" -f [datetime]$date
$file = 'C:\Users\evgeni.kostadinov\Desktop\webCrawlers\1-JobsTech\all\requs' + $date + '.html'
$db = Get-Content 'C:\Users\evgeni.kostadinov\Desktop\webCrawlers\techsData.txt'
$jobsURL = 'http://www.jobs.bg/'
$title = "Jobs requirements </br>" > $file
for($k = 0; $k -le $db.Length - 1; $k++)
{
    $url =  "http://www.jobs.bg/front_job_search.php?first=1&str_regions=&str_locations=&tab=jobs&old_country=&country=-1&region=0&l_category%5B%5D=0&keyword="
 $searchKeyword = $db[$k]
    $h1 = "<h1 style=""text-align:center;background-color:red;color:white;""> " + $searchKeyword + "</h1>"
 Add-Content $file $h1
    CrawlJobLinks -pageLink $url -currKeyword $searchKeyword -jobsURL $jobsURL -file $file
 #set back to zero
 $req = $null
 $jobLinks = $null
    $url = $null
}
start chrome $file