Question : Enable overcommitment in Xenserver 5.6

I hope this is what it's called. I basically have 8 vm's on a single Xenserver host. They all have 2Gb ram allocated but most are using less than 1Gb ram. Only 8Gb of my 16Gb ram is actually in use, but Xenserver wont let me boot another VM because "IN THEORY" i don't have any ram available.

How can i get around this?

Thanks
L

Answer : Enable overcommitment in Xenserver 5.6

This will hide the first menu if other category is selected:

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    // ADD THIS
    var url = window.location.href;
	 alert(url);
    $('.demo div.collapse').each(function() {
        $(this).find('a').each(function() {
            if(url.indexOf($(this).attr("href").split('?')[1]) >= 0) {
                $(".demo").find("div[class*=collapse]:first").hide();
                $(this).parents('div.collapse').show();
            }
        });
    });