function ValidateSelection(catsandsubcats_ddl)
{
		if (catsandsubcats_ddl!=null && typeof(catsandsubcats_ddl)!='undefined')
		{
			var selected_value = catsandsubcats_ddl.options[catsandsubcats_ddl.selectedIndex].value;
			if (selected_value.indexOf("_")<0)
			{
				ShowMessage(10);
				//alert('You can choose sub category only');
				catsandsubcats_ddl.selectedIndex=0;
			}
		}
}


function SubmitToViewer()
{

	var catsandsubcats_ddl = document.all.WucGeneralSearchForm1_cats;
	var freetext_txt = document.all.WucGeneralSearchForm1_freesearch;
					   
	
	if (freetext_txt!=null && typeof(freetext_txt)!='undefined' && freetext_txt.value=='')
	{
		ShowMessage(11);
		//alert('Please type the text');
		freetext_txt.focus();
		return;
	}
	
	if (catsandsubcats_ddl!=null && typeof(catsandsubcats_ddl)!='undefined')
	{
		var selected_value = catsandsubcats_ddl.options[catsandsubcats_ddl.selectedIndex].value;
		if (selected_value.indexOf("-1")==0)
		{	
			ShowMessage(12);
			//alert('Please choose sub category');			
		}
		else
		{
			document.forms[0].submit();
		}
	}
	
}