function getposOffset(overlay, offsettype)
				 {
				 var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
				 var parentEl=overlay.offsetParent;
				 while (parentEl!=null)
				 			 {
							 totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
							 parentEl=parentEl.offsetParent;
							 }
				 return totaloffset;
				 }
function overlayWin(curobj, subobjstr, opt_position,WPage)
				 {
				 if  (document.getElementById)
				 		 {
						 var subobj=document.getElementById(subobjstr)
						 subobj.style.display=(subobj.style.display!="block")? "block" : "none"
						 var xpos=getposOffset(curobj, "left")+((typeof opt_position!="left" && opt_position.indexOf("left")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
						 var ypos=getposOffset(curobj, "bottom")+((typeof opt_position!="bottom" && opt_position.indexOf("bottom")!=-10)? curobj.offsetHeight : 0)
						 subobj.style.left=xpos+"px"
						 subobj.style.top=ypos+"px"
						 loadingPageAJAX(WPage,subobjstr);
						 return false
						 }
				else
						{
						loadingPageAJAX(WPage,subobjstr);
						return true
						}
				}
function overlayclose(subobj)
				{
				document.getElementById(subobj).style.display="none"
				}