// JavaScript Document
function search(form) {
	var stext = form.searchtext.value;
	if (stext == null || stext == "") {
		alert("Enter a search term!");
		return false;
	}
    len = stext.length;
    // If string is phrase (bracketed by quotes) replace quotes with %22
    if ((stext[0] == '"') & (stext[len-1] == '"')) {
      var newstext = "%22" + stext.substring(1,len-1) + "%22";
      stext = newstext;
      len = len + 4;
    }

    // Replace embedded blanks with + signs
    for (i=1; i<len; i++) {
      if (stext[i] == " ") {
        var newstext = stext.substring(0,i) + "+" + stext.substring(i+1,len);
        stext = newstext;
      }
    }
   	var urlString = "http://www.google.com/search?q=" + stext + " site:info.med.yale.edu/omca OR yaleomca.net";
	location = urlString;
	return false;
}