function imgSwap(op,op2,id,url) 	{
	obj=document.getElementById(id);
	if (op) {
		objSrc = url+'/'+id+'.jpg';
	} else {
		objSrc = url+'/'+id+'_gs.jpg';
	}

	obj.setAttribute ('src', objSrc);
	if (op2) {
		txtID = id + '_txt';
		imgGS(op, 0, document.getElementById(txtID),0);
	}
}

function imgChange(id,src,url, op, op2, id2, txtid) 	{
	obj=document.getElementById(id);
	objSrc = url+'/'+src+'.jpg';
	obj.setAttribute ('src', objSrc);
	if (id2 !='') {
		obj2=document.getElementById(id2);
		imgGS(op,0,obj2,0);
	}
}

function imgGS(op,op2,id,txtid) 	{
    
	if (op2) {
		id2 = document.getElementById(txtid);
	} else {
		id2= id;
	}
	if (op) {
		id2.style.MozOpacity=1;
		id.style.MozOpacity=1;
		id2.filters.alpha.opacity=100;
		id.filters.alpha.opacity=100;
		id.style.opacity=1;
		id2.style.opacity=1;
	} else {
		id2.style.MozOpacity=0.5;
		id.style.MozOpacity=0.5;
		id.filters.alpha.opacity=50;
		id2.filters.alpha.opacity=50;
		id.style.opacity=0.5;
		id2.style.opacity=0.5;
	}

}