var G_TOP = 0;
var G_TOP1 = 0;
var G_TOP2 = 0;
var G_TOP3 = 0;
var T1;
var T2;
var MM;
var M_POS=2;
var SS = 40;
var CHILD="child";
var PARENT="parent_content";
var MOBJ2;
var MOBJ;
function initLayer(pp,cc){
	CHILD=cc;
	PARENT=pp;
	var obj2 = document.getElementById(PARENT);			
	MM=parseInt(obj2.getAttribute("mm"));	
	MOBJ2 = document.getElementById(PARENT);			
	MOBJ = document.getElementById(CHILD);		
}




var MM=0;
function goright(){

	h2=MOBJ2.offsetWidth;	
	

	//x=parseInt(obj2.getAttribute("mm"));
	x=MM;
	h=MOBJ.offsetWidth;
	
	if (h<h2) { return; }
	
	if ((x+M_POS) >= 0) {
		y=0;	
	} else {
		y=x+M_POS;			
	}
	if (document.getElementById || document.all)
	{
		MOBJ.style.left = parseInt(y) + 'px';
	}
	else if (document.layers)
	{
		MOBJ.style.left = parseInt(y) ;
	} else {
		MOBJ.style.left = parseInt(y) + 'px';
	}	
	//obj2.setAttribute("mm",y.toString());
	MM=y;

	
}

function goleft(){
	h2=MOBJ2.offsetWidth;	
	
	//x=parseInt(obj2.getAttribute("mm"));
	x=MM;
	h=MOBJ.offsetWidth;
	if (h<h2) { return; }
	
	if ((x-M_POS) <= -h+h2) {
		y=-h+h2;	
	} else {
		y=x-M_POS;			
	}
//	alert(y);
//	obj.clientTop = y;
	if (document.getElementById || document.all)
	{
		MOBJ.style.left = parseInt(y) + 'px';
	}
	else if (document.layers)
	{
		MOBJ.style.left = parseInt(y) ;
	} else {
		MOBJ.style.left = parseInt(y) + 'px';
	}	
	//obj2.setAttribute("mm",y.toString());
	MM=y;
}



function mm_leftslide(){
	//goleft();
	T1=setInterval("goleft()",SS);
}

function mm_rightslide(){
	//goright();
	T2=setInterval("goright()",SS);
}

function mm_clearleft(){
	clearInterval(T1);
	var obj2 = document.getElementById(PARENT);			
	obj2.setAttribute("mm",MM);	
}	

function mm_clearright(){
	clearInterval(T2);
	var obj2 = document.getElementById(PARENT);			
	obj2.setAttribute("mm",MM);	
}