function left(str,len) {    return str.substr(0,len);     }
function right(str,len) {    return str.substr(str.length-len,len);     }
function LTrim( value ) {var re = /\s*((\S+\s*)*)/;	return value.replace(re, "$1");}
function RTrim( value ) {var re = /((\s*\S+)*)\s*/;	return value.replace(re, "$1");}
function trim( value ) {return LTrim(RTrim(value));}
function findpos(el) {for (var lx=0, ly=0;          el != null;          lx += el.offsetLeft, ly += el.offsetTop, el = el.offsetParent);     return [lx,ly+20];}


function get_iframe_content(id) {
		var iframeEl = document.getElementById(id);
		var iFrameBody='';
		var y=(iframeEl.contentWindow || iframeEl.contentDocument);
		if (y.document)y=y.document;
		return y.body.innerHTML;
}