$(document).ready( function() {
	if(navigator.appVersion.indexOf('MSIE 6.0') != -1) 	{
		documentHeight = document.body.clientHeight;
	} else {
		documentHeight = document.documentElement.clientHeight;
	}
	var windowHeight = (document.documentElement.clientHeight-630)/2;
	$("table").css('margin-top', windowHeight+'px');


$(document).bind("contextmenu",function(e){
        return false;
    });

});