var amazonaffiliate="";



var linkcount;

function checklinks() {

	if (!(linkcount==document.links.length)) {

		// Something changed the links!

		// Iterate for an id of _goog

		for (i=0; i < document.links.length; i++) {

			if (document.links[i].id.substring(0,5)=="_goog") {

				// If we find an id of _goog then do something

				if (amazonaffiliate=="") { 

					// No affiliate id defined so remove the links

					var tr = document.links[i].parentTextEdit.createTextRange();

					tr.moveToElementText(document.links[i]);

					tr.execCommand("Unlink",false);

					tr.execCommand("Unselect",false);

					i--;

				} else {

					// An affiliate id defined so rewrite ISBN links

					if (document.links[i].href.indexOf("isbn")>0) {

						var isbn=document.links[i].href.substring(document.links[i].href.indexOf("text")+5,document.links[i].href.length);

						document.links[i].href="http://www.amazon.com/exec/obidos/external-search?search-type=ss&tag=" + amazonaffiliate + "&keyword=" + isbn + "&index=books";

					}

				}

			}

		}

	}

		linkcount = document.links.length;

		setTimeout("checklinks()",500);

}

if (document.getElementById && document.createElement) {

	linkcount=document.links.length;

	setTimeout("checklinks()",500);

}



function MM_jumpMenu(targ,selObj,restore){ //v3.0

eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");

if (restore) selObj.selectedIndex=0;

}