function onEnter(e){
	if (document.all) {
		x = event.x + document.body.scrollLeft
		y = event.y + document.body.scrollTop
	}
	else {
		x = e.pageX
		y = e.pageY
	}
		document.getElementById('div_form_enter').style.display = "block";
		document.getElementById('div_form_enter').style.left = x-100;
		document.getElementById('div_form_enter').style.top = y+10;
}
function to_top(){
	var zmax = 999;
	//$("#oDiv").css("z-index", zmax);
	var ob = document.getElementById("oDiv");
	ob.style.zIndex = zmax;
}
function to_back(){
		var zmax =1;
//alert("asd");
	//$("#oDiv").css("z-index", zmax);
	var ob = document.getElementById("oDiv");
	ob.style.zIndex = zmax;
}