function showPicup(ID,Pic){	
	ID.setAttribute("src","images/"+Pic+".jpg");	
	}
var index
function Navshow(pic1,pic2,tiltes,url,id){
	if(id==menuid){		
		document.write("<a href='"+url+"' title='"+tiltes+"'> <img src='images/"+pic2+".jpg' title='"+tiltes+"'  border='0'/> </a>")
		}
		else{			
		document.write("<a href='"+url+"' title='"+tiltes+"'><img onmouseover=showPicup(this,'"+pic2+"') onmouseout=showPicup(this,'"+pic1+"') src='images/"+pic1+".jpg' border='0'/></a>")	
		}
}