function chpics(ttype,ttpic)
{	
	document.tpic.src='images/tpic-'+ttype+'/'+ttpic+'.jpg';
	document.tgirl.src='images/tpic-'+ttype+'g/'+ttpic+'.jpg';

}
nn = (document.layers)? true : false;
ie = (document.all)? true : false;
ff = (document.getElementById)? true : false;

offs=620;

function ShowLayer(layerName)
{
 swidth=document.body.clientWidth;
 wwidth=(swidth-926)/2;
 


   if (nn) {
		document.layers[layerName].left = swidth-wwidth-offs;
		document.layers[layerName].visibility = "visible";
	   } else
   if (ie) {	
		document.all[layerName].style.left=swidth-wwidth-offs;
		document.all[layerName].style.visibility = "visible";
	   } else
   if (ff) {
		document.getElementById(layerName).style.left=swidth-wwidth-offs+"px";
		document.getElementById(layerName).style.visibility = "visible";
	   }
}

function HideLayer(layerName)
{

 if (nn) document.layers[layerName].visibility = "hide";
 if (ie) document.all[layerName].style.visibility = "hidden";
 if (ff) document.getElementById(layerName).style.visibility = "hidden";
};