var _POPUP_FEATURES = 'location=1, statusbar=1, menubar=1, toolbar=1, scrollbars=1, resizable=1, width=850, height=700';
var _NEWSLETTER = 'location=0, statusbar=0, menubar=0, toolbar=0, scrollbars=0, resizable=1, width=560, height=530';

function raw_popup(url, target, features) {
    if (isUndefined(features)) features = _POPUP_FEATURES;
    if (isUndefined(target  )) target   = '_blank';
    var theWindow = window.open(url, target, features);
    theWindow.focus();
    return theWindow;
}

function link_popup(src, features) {
    return raw_popup(src.getAttribute('href'), src.getAttribute('target') || '_blank', features);
}

function isUndefined(v) {
    var undef;
    return v===undef;
}

function doSubmit(frm) {
	if (tmt_validateForm(frm)) {
		frm.submit();
		return true;
   	}
	return false;
}

var tgs = new Array( 'p','ul','ol','h3','h4','h5','h6');
//var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var szs = new Array( '1.0em','1.1em','1.2em' );
var lhs = new Array( '1.3em','1.4em','1.5em' );
var startSz = 0;

function ts( trgt,inc ){
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;

	sz = inc;
/*	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 4 ) sz = 4;
*/
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) {
			cTags[ j ].style.fontSize = szs[ sz ];
			cTags[ j ].style.lineHeight = lhs[ sz ];
		}
	}
}

function incTextSize() {
	ts("content", 1);	
}

function decTextSize() {
	ts("content", -1)
}

function setTextSize(xx) {
	ts("content", xx)
}