function gotosearch()
{
if (document.search_page.radiobutton[0].checked)
   {var nexturl = "http://www.emedicine.com/cgi-bin/foxweb.exe/searchengine@/em/searchengine?boolean=and&book=all&maxhits=100&HiddenURL=&query="} 
	else if (document.search_page.radiobutton[1].checked)
   {var nexturl = "http://www.emedicine.com/asp/image_search.asp?query="}
    else if (document.search_page.radiobutton[2].checked)
   {var nexturl = "http://www.emedicine.com/cgi-bin/foxweb.exe/searchengine@/em/searchengine?boolean=and&book=all&maxhits=100&hiddenurl=&cme=T&query="}
    else if (document.search_page.radiobutton[3].checked)
   {var nexturl = "http://www.emedicine.com/cgi-bin/foxweb.exe/searchengine@/em/searchengine?boolean=&book=aaem&book=general&book=wild&maxhits=40&sortorder=hits&query="}

window.location.href = nexturl + document.search_page.query.value
 
}