function setdropdown()
{

	if (location.search != "")
	{
		var x = location.search.substr(1).split("&")
		for (var i=0; i<x.length; i++)
		{
			var y = x[i].split("=");

			if (y[0] == 'p')
			{
				var product = y[1];
			}
			else
			{
				if (y[0] == 'os')
				{
					var os = y[1];
				}
			}
		}
	}

	//alert("product = " + product + ", os = " + os);

	//make lowercase
	product = product.toLowerCase();
	os = os.toLowerCase();

	//set dropdown for product
	switch(product)
	{
	case "workspace":
	  document.getElementById('00N50000001fCkt').value = "Interwrite Workspace";
	  break;
	  
	case "response":
	  document.getElementById('00N50000001fCkt').value = "Interwrite Response";
	  break;
	  
	default:
	  document.getElementById('00N50000001fCkt').value = "";
	}	
	
	
	//set dropdown for os
	switch(os)
	{
	case "windows2000":
	  document.getElementById('00N50000001fCkZ').value = "Windows 2000";
	  break;
	  
	case "windowsxp":
	  document.getElementById('00N50000001fCkZ').value = "Windows XP";
	  break;
	  
	case "windowsvista":
	  document.getElementById('00N50000001fCkZ').value = "Windows Vista";
	  break;	  
	  
	case "macosx":
	  document.getElementById('00N50000001fCkZ').value = "Mac OSX";
	  break;	  
	  
	case "linux":
	  document.getElementById('00N50000001fCkZ').value = "Linux";
	  break;	  
	  
	default:
	  document.getElementById('00N50000001fCkZ').value = "";
	}
	
}