// JavaScript Document
function changeSRC(action, id, str){
	switch(action){
		case "add":
			if($(id)){
				var oldsrc = $(id).getProperty('src');
				if(oldsrc.indexOf(str) == -1){
					var nm = oldsrc.slice(0,oldsrc.lastIndexOf("."));
					var ext = oldsrc.slice(oldsrc.lastIndexOf("."), oldsrc.length);
					$(id).setProperty('src', nm+str+ext);
				}
			}
			break;
		case "remove":
			if($(id)){
				var oldsrc = $(id).getProperty('src');
				if(oldsrc.indexOf(str) != -1){
					var nm = oldsrc.slice(0,oldsrc.lastIndexOf(str));
					var ext = oldsrc.slice(oldsrc.lastIndexOf("."), oldsrc.length);
					$(id).setProperty('src', nm+ext);
				}
			}
			break;
	}
}