var theDoc = null;

if (!Array.prototype.push) Array.prototype.push = new Function ('elem','var index=this.length;this[index]=elem;return index;');

var app = navigator.appName;
var ver = parseInt(navigator.appVersion.substring(0,1));
var is_ie4 = ((app == "Microsoft Internet Explorer") && (ver >= 4)); //browser_check && ((document.all)    ? true : false);
var is_ns  = ((app == "Netscape") && (ver >= 3)); //browser_check && ((document.layers) ? true : false);
var browser_check = is_ie4 || is_ns;

function MIN(a,b){return(a<b)?a:b;};
function MAX(a,b){return(a>b)?a:b;};
function BOUND(a,min,max){return(a<min)?min:(a>max)?max:a;};

function RAW_COPY(id,app){var res="";var ttt=document.all[id];if(!ttt)return res;if(app)ttt.insertAdjacentHTML("BeforeEnd",app);res=ttt.outerHTML;ttt.style.visibility="hidden";return res;};
function CreateElement(type,id,style,cls,parent){if(!theDoc)theDoc=document;var res=theDoc.createElement(type);if(!res)return null;res.id=id;if(style)ApplyStyles(res,style);if(cls)res.className=cls;if(parent)parent.appendChild(res);return res;};
function ApplyStyles(obj,styles){var temp=styles;while(temp.length>0){var i=temp.indexOf(":");var style_name=temp.substring(0,i);var ii=style_name.indexOf("-");if(ii!=-1) {var ttt=style_name.substring(0,ii);ttt+=style_name.substring(ii+1,ii+2).toUpperCase();ttt+=style_name.substring(ii+2,style_name.length);style_name=ttt;};var j=temp.indexOf(";");var value=temp.substring(i+1,j);temp=temp.substring(j+1,temp.length);eval('obj.style.'+style_name+'='+'"'+value+'"');};return true;};

function nop() { event.cancelBubble=true; event.returnValue=false; return false; };

//** array functions
function getFirstElem(obj)
{
	if (obj instanceof Array)
		return obj[0];
	else
		return obj;
};
function formArray(obj)
{
	var res=new Array();
	try {
		if (obj instanceof Array || (String(obj.length) != "undefined" && obj.length != 0)) {
			for (var i = 0; i < obj.length; i++) {
				res[i] = obj[i];
			};
		} else {
			res.length = 1;
			res[0] = obj;
		};
	} catch(err) {
		res.length = 1;
		res[0] = obj;
	};
	return res;
};

//** single-element DOM functions
function findElement(parent,tagName,id){return (is_ie4) ? getFirstElem(parent.all[id]) : findNamedItem(parent.getElementsByTagName(tagName),id); };
function findNamedItem(nodeList,id)
{
	for (var i = 0; i < nodeList.length; i++) {
		var node = nodeList.item(i);
		if (node.id == id || node.name == id) return node;
	};
	return null;
};

//** multiple-element DOM functions
function findElements(parent,tagName,id){return (is_ie4) ? formArray(parent.all[id]) : findNamedItems(parent.getElementsByTagName(tagName),id); };
function findNamedItems(nodeList,id)
{
	var result = new Array();
	for (var i = 0; i < nodeList.length; i++) {
		var node = nodeList.item(i);
		if (node.id == id || node.name == id) result.push(node);
	};
	return result;
};

/////////////////////////////////////////////////////////////////////
function clientcontrolclick(element)
{
    if (element.click)
    {
		element.click();
    }
    else
    {
		var href = element.href;
		//strip off the leading 'javascript:'
		var func;

		if (href.indexOf('javascript:') > -1)
			  func = href.substr(11);
		else
			  func = href;

		if (func.substr(0, 3) == '%20')
			  func = func.substr(3);

		eval(func);
    }
}


//** URL functions
function ConcatURL(baseURL,concatURL)
{
	var res = String(baseURL), toConcat=String(concatURL);
	if(toConcat.length>0 && toConcat!="" && toConcat!="undefined") {
		var app_sign = (res.indexOf("?")!=-1) ? "&" : "?";
		if ((toConcat.charAt(0) == "?") || (toConcat.charAt(0) == '&'))
			toConcat = toConcat.substring(1,toConcat.length);

		res += app_sign + toConcat;
	};
	return res;
}
function SetURLValue(baseURL,paramName,paramValue)
{
	var url = String(baseURL);
	var res = "";
	var testRG = new RegExp("[?&]?("+paramName+"=[^&]*)(&|$)","g");
	if (url.search(testRG) != -1) {
		res = url.replace(RegExp.$1,paramName+"="+paramValue);
	} else {
		res = ConcatURL(baseURL,paramName+"="+paramValue);
	};
	return res;
}

function RoundPrec(fltNum, prec)
{
	prec = Math.pow(10,prec);
	return Math.round(fltNum * prec) / prec;
}

function OpenWindow(width,height,url)
{
	var left=50, top=50;
	try{
		left = Math.floor(((window.screen.availWidth-width)/3));
		top = Math.floor(((window.screen.availHeight-height)/3));
	}catch(e){}
	var sFeatures = "resizable=no,scrollbars=0,toolbar=0,left="+left+",top="+top+",width="+width+",height="+height;
	var oWnd = window.open(url,"text_popup",sFeatures);
	oWnd.focus();
}

function Trim(str)
{
	str = str.replace(/^\s+/g,"");
	str = str.replace(/\s+$/g,"");
	return str;
};