var curr_lb_div; 
var is_modal = false; 
function ShowLightBox(lb_div, isModal) 
	{ 
	    document.getElementById(lb_div).style.display='block'; 
	    document.getElementById('fade').style.display='block'; 
	    curr_lb_div = lb_div; 
	    if (isModal) 
	        is_modal = true; 
	    else is_modal = false; 
	} 
function HideLightBox() 
	{ 
	    if (document.getElementById(curr_lb_div)) 
	    { 
	         document.getElementById(curr_lb_div).style.display='none'; 
	         document.getElementById('fade').style.display='none'; 
	         curr_lb_div = ''; 
	    } 
	} 
// clear default form field value
function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}