function getObj(name) {
  
}

function gettrail(){
  
}

function truebody(){
  
}

function showtrail(imagename,title,oriwidth,oriheight,zoomimgwidth,zoomimgheight, image, startx, starty, startw, starth){
	
}

function hidetrail(){
 
}

function followmouse(e){

}