Elgg couldn't connect to the database using the given credentials.

See this pictures and see this error help me please

http://img3.imageshack.us/img3/5594/sinttulotuu.png
http://img845.imageshack.us/img845/8246/sinttulo1ei.png

The instaleccion is good of elgg...

now i have install elgg 1.7.7

Is install good the .htacces is good, config page to of mysqul... somone can say me what is wrong in my page.

Please help me.

Bye