function dropdownlist(listindex)
{
        document.formname.DateLocation.options.length = 0;
        switch (listindex)
{

case "15 things you should be doing with your Citrix infrastructure - 15 Sept" :

	document.formname.DateLocation.options[0]=new Option("Thursday 15 September, London");
		
break;

case "The benefits of private cloud computing" :

	document.formname.DateLocation.options[0]=new Option("Wednesday 28 September, London");
		
break;

case "Software Asset Management: the importance of trustworthy data and how it can help reduce costs" :

	document.formname.DateLocation.options[0]=new Option("Thursday 8 September, London");
		
break;

case "Server virtualisation: how far can you sensibly take it?" :

	document.formname.DateLocation.options[0]=new Option("Wednesday 21 September, London");
		
break;

case "Plan and Prepare - Your Virtual Desktop Infrastructure" :

	document.formname.DateLocation.options[0]=new Option("Tuesday 13 September, London");
		
break;

case "Converged infrastructure: the what, why and how of FlexPod? - London" :

	document.formname.DateLocation.options[0]=new Option("Thursday 13 October, London");
		
break;

case "Converged infrastructure: the what, why and how of FlexPod? - Manchester" :

	document.formname.DateLocation.options[0]=new Option("Friday 7 October, Manchester");
		
break;

case "Extending Excellent Service to your Users in the Middle East" :

	document.formname.DateLocation.options[0]=new Option("Thursday 20 October, London");
		
break;

case "15 things you should be doing with your Citrix infrastructure - 25 Nov" :

	document.formname.DateLocation.options[0]=new Option("Friday 25 November, London");
		
break;

case "User Virtualisation Solutions Forum" :

	document.formname.DateLocation.options[0]=new Option("Thursday 24 November, London");
		
break;

case "Cisco Unified Computing UCS Breakfast Briefing" :

	document.formname.DateLocation.options[0]=new Option("Wednesday 7 December, London");

break;

case "Meet the experts from Oracle with Kelway" :

	document.formname.DateLocation.options[0]=new Option("Thursday 8 March, London");

}
return true;
}