// filename = synchro.js
// Sets the TOC entry selection to the selected page.
// Use this javascript at the top of every page that can be
// loaded by a link other than the Joust TOC.
//Load the page inside the frameset if linked from outside.
//This is in the Joust documentation.
//REVISED:
//05/31/05 ach: add location.search to newURL.
//05/12/05 ach: 
//1. Add location.search to findEntry( <value>
//2. Change index.html to index.php for this app. 
function synchro(levelsup){
	if(self==top){
		var navPrinting = false;
		
		if((navigator.appName+navigator.appVersion.substring(0,1))=="Netscape4"){
			navPrinting = (self.innerHeight == 0) && (self.innerWidth == 0);
		}
		
		if((self.name != "text")  && (self.location.protocol != "file:") &&
			(document.cookie.indexOf('mode=NoFrames')< 0) && !navPrinting) {
			//This transforms something 
			//like: htjp://192.168.0.3/downeast/000004/home.htm
			//into: htjp://192.168.0.3/downeast/main.htm?page=/downeast/000004/home.htm
			//where the parameter, levelsup, is the count of directories to go
			//up from the current document to the directory where main.htm is found.
			//In the example, levelsup=2.
			if(arguments.length<1) levelsup=2;
				
			var dirup="../"
			var newURL="";
			
			for(i=0;i<levelsup;i++){
				newURL+=dirup
			}
		
			//newURL+="index.html?page=";
			newURL+="index.php?page=";
			newURL+=self.location.pathname+self.location.search;

			if(parseInt(navigator.appVersion,10) >= 3){
				self.location.replace(newURL);
			}else{
				self.location.href = newURL;
			}
		}	//if self.name
	} //if self==top
		
	//Expand the menu to the appropriate spot when the page is
	// not called from the menu. This is in the Joust documentation.
	if (parent.theMenu){
		var entryID=parent.theMenu.findEntry(location.pathname+location.search,"url","right",0);
		if (entryID>=0){
			parent.theMenu.selectEntry(entryID);
			
			if (parent.theMenu.setEntry(entryID,true)){
				parent.theMenu.refresh();
			}
		}else{
			//If this page is not in the menu, (e.g. home.htm)
			//de-select the last clicked item and collapse the menu.
			parent.theMenu.selectEntry(-1);
			parent.theMenu.closeAll();
		} //if entryID>=0
	} //if parent.theMenu
	
} //end function.
//end of js.