function openmypage(s){
	if(s=="order"){
	ajaxwin=dhtmlwindow.open("ajaxbox", "ajax", "http://simthainguyen.com/help.php?act=order", "Hướng dẫn đặt sim", "width=600px,height=400px,left=200px,top=50px,resize=1,scrolling=1")
	}
	if(s=="psale"){
	ajaxwin=dhtmlwindow.open("ajaxbox", "ajax", "http://simthainguyen.com/help.php?act=psale", "Hướng dẫn đặng bán sim", "width=600px,height=400px,left=200px,top=50px,resize=1,scrolling=1")
	}
	if(s=="search"){
	ajaxwin=dhtmlwindow.open("ajaxbox", "ajax", "http://simthainguyen.com/help.php?act=search", "Hướng dẫn tìm kiếm sim", "width=600px,height=400px,left=200px,top=50px,resize=1,scrolling=1")
	}
	if(s=="ads"){
		ajaxwin=dhtmlwindow.open("ajaxbox", "ajax", "http://simthainguyen.com/help.php?act=order", "Hướng dẫn đặt sim", "width=600px,height=400px,left=200px,top=50px,resize=1,scrolling=1")
		}
}