function clearDefault(el) {
	if (el.defaultValue==el.value) el.value = ""
}

function changeType(input){
if(input.type == 'text'){
password = document.createElement('input');
password.name = 'password'
password.type = 'password';
input.parentNode.insertBefore(password,input);
input.parentNode.removeChild(input);
password.value = '';
password.className = 'input120';
password.focus();
}
}

function universalpopupNamed(poppage, pagename, width, height) {
	var popW = width, popH = height;
	var intW= 800, intH = 600;

	if (document.all || document.layers) {
		intW= screen.availWidth;
		intH = screen.availHeight;
	}
	var leftPos = (intW-popW)/2, topPos = (intH-popH)/2;
	
window.open(poppage,pagename,"width="+popW+",height="+popH+",top="+topPos+",left="+leftPos+",toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes");
 
}