function searchOptions()
{
	SearchType=document.SearchForm.SearchType.options[document.SearchForm.SearchType.selectedIndex].value;
	SearchCategory=document.SearchForm.SearchCategory.options[document.SearchForm.SearchCategory.selectedIndex].value;
	SearchValue=document.SearchForm.SearchValue.value;
	
	if(SearchValue=="")
	{
		alert("Please enter text to search");
		document.SearchForm.SearchValue.focus();
		return false;
	}
	else
	{
		if(SearchType=="ISBN")
		{
			if (document.SearchForm.SearchValue.value.length != 10)  	
			{
				alert("Please enter a valid ISBN number");
				SearchForm.SearchValue.focus();
			}		
			else 
			{
				
				if(SearchCategory=="Buy")
				{
					document.SearchForm.action="../Buy/SearchByISBN.asp?ISBN=" + SearchValue + "&FromHome=Yes";
					document.SearchForm.submit();
				}
				else
				{
					document.SearchForm.action="../Sell/Sell_SpecifyCondition.asp?ISBN=" + SearchValue + "&FromHome=Yes";
					document.SearchForm.submit();
				}
			}
		}
		else
		{
				if(SearchCategory=="Buy")
				{
					document.SearchForm.action="../Buy/SearchByKeywords.asp?Keywords=" + SearchValue;
					document.SearchForm.submit();
				}
				else
				{
					document.SearchForm.action="../Sell/Sell_SearchByKeyword.asp?Keywords=" + SearchValue;
					document.SearchForm.submit();
				}
		}
		
		
	}
	
	
}