* No longer sees positive EBIT in 2012
* H1 sales 340 mln eur vs 534 mln year ago
* H1 EBIT loss 144 mln eur vs 70 mln profit year-ago
* Shares fall 12 percent
By Christoph Steitz
FRANKFURT, Aug 13 (Reuters) - Germany's SolarWorld slashed its outlook for the current year, accusing Chinese peersof unfairly undercutting the prices of its components whichpushed the company to a surprise first-half operating loss.