$(document).ready(function()
{
	main_margin();
	$(window).resize(main_margin);
	
});

function main_margin() {
	
	var main_window_h = $(window).height();
	if(main_window_h > 692) {
		var difference = main_window_h - 692;
		var new_margin = difference / 2;
		$("#contentHome a").css("margin-top", new_margin); 
		
	}
}