ns4=(navigator.appName.indexOf("Netscape")>=0 && !document.getElementById)? 1 : 0;
ie4=(document.all && !document.getElementById)? 1 : 0;
ie5=(document.getElementById && document.all)? 1 : 0;
ns6=(document.getElementById && navigator.appName.indexOf("Netscape")>=0 )? 1: 0;
w3c=(document.getElementById)? 1 : 0;

if(ns4){document.write('<layer name="thu"></layer>')}else{document.write('<div id="thu"></div>')}

if(w3c)divT=document.getElementById('thu')
if(ie4)divT=document.all['thu']
if(ns4)divT=document.layers['thu']

function write_divT(text){
    if (ns4) {
        divT.document.open();
        divT.document.write(text);
        divT.document.close();
    } else {
		/*
		newDiv = document.createElement('div');
		newDiv.innerHTML=text;
		divT.parentNode.replaceChild(divT, newDiv);
		*/
		divT.innerHTML = text;
	}
}

function chg_divT(prd) {
	if (prd.imgc > 0) {
		var tcod = '';
		for (var i = 0; i < prd.imgc; i++) {
			if (i > 0 && (i % 4) == 0) tcod += '</tr><tr>';
			tcod += prd.imgv[i];
		}

		for (var i = prd.imgc; (i % 4) != 0; i++) {
			tcod += '<td>&nbsp;</td>';
		}

		var thead = '<table border="0" cellspacing="0" cellpadding="0"><tr><td><img src="images/pixel_trans.gif" border="0" width="100%" height="5"></td></tr><tr><td valign="bottom"><table cellpadding="0" cellspacing="0" border="0" width="100%"><tr><td valign="top"><div style="margin-bottom:8px"><table cellpadding="0" cellspacing="0" border="0"><tr>';
		var ttail = '</tr></table></div></td></tr></table></td></tr></table>';

		write_divT(thead + tcod + ttail);
	}
}