function strrep(obj,cmd,val) { //var obj=document.getElementById('obj');
	if(obj.value==obj.defaultValue || obj.value==''){ if(cmd=='show'){ obj.value=''; } if(cmd=='clear'){ obj.value=obj.defaultValue; } }
}
function expOn(el) { var exptext=el.innerHTML;
	var expimg=el.getAttribute('expimg');
	var objexptext=document.getElementById('expheader');
	var objexpimg=document.getElementById('expimg');
	objexpimg.style.overflowX='hidden';
	objexpimg.style.overflowY='auto';
	if(saf){ objexpimg.style.overflow='auto'; }
	objexptext.innerHTML=exptext;
	objexpimg.innerHTML=document.getElementById(expimg).innerHTML;
}
function dumpObject(obj) {
	if(obj==null){ obj=document; } var retstr='';
	for(np in obj) { retstr=retstr+"\r\n"+np+" = "+obj[np]; }
	alert(retstr);
}