// function for writing msgs in divs by innerHTML
function write_text(div_name, msgstring) {
		if(document.layers)
		{
			divlayer = document.layers[div_name];
			if(!divlayer){return;}
			divlayer.document.open();
			divlayer.document.write(msgstring);
			divlayer.document.close();
		}
		else
		if(document.all)
		{
			divlayer = document.all[div_name];
			if(!divlayer){return;}
			divlayer.innerHTML=msgstring;
		}
		else
		if(document.getElementById)
		{
			divlayer = document.getElementById(div_name);
			if(!divlayer){return;}
			divlayer.innerHTML =msgstring;
		}
		divlayer.style.visibility="visible";
}