function h(){	
	
	if($(".content").height() < 900){
		$(".content").height("900px");				
	}	
	$(".c_bg").height($(".content").height());
	$(".left_content").height($(".content").height() - 112);
	$(".right_side").height($(".content").height());

	$(".ship").css({bottom:"0px"});
	/*css for some line elements*/
	$(".line6").css({top:"10%", left:"-6px"});
	$(".line7").css({top:"232px", right:"-7px"});
	$(".shipbuilding").css({visibility:"visible"});
	$(".principal").css({visibility:"visible"});
	$(".principal2").css({visibility:"visible"});
	$(".principal3").css({visibility:"visible"});
	if($(".model_info").height() >= $(".left_content").height() - $(".principal").height()){
		$(".content").height($(".content").height() + $(".principal").height());
		$(".c_bg").height($(".content").height());
		$(".left_content").height($(".content").height() - 112);
		$(".right_side").height($(".content").height());
		
		$(".ship").css({bottom:"0px"});
	}
	
	
}