function dropdown(lnk)
{
     nav = document.getElementById('dlink'+lnk);
     tab = document.getElementById('dmenu'+lnk);

     tab.onmouseover=function()
     {     
	    document.getElementById('dmenu'+lnk).style.display='block';	   	  	  
     };
     tab.onmouseout=function()
     {    
      	document.getElementById('dmenu'+lnk).style.display='none';	 
     };

}

function mydropOver()
{      
	document.getElementById('dmenu1').style.display='block';
}

function mydropOut()
{     
	document.getElementById('dmenu1').style.display='none';
}