var xmlHttp;
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try {
	  // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
  	{
  		// Internet Explorer
	  try
		{
		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	  catch (e)
		{
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
return xmlHttp;
}

function checkMandatory(field, msg){
	if( field.value=="" ){
		alert(msg);
		field.focus();
		return false;
	}
	return true;
}

function checkNumber(field, msg){
	if( !isNumber(field.value) ){
		alert(msg);
		field.focus();
		return false;
	}
	return true;
}

function isNumber(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
 
	for (i = 0; i < sText.length ; i++) 
	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) 
		{
			IsNumber = false;
			break;
		}
	}
	return IsNumber;
}

function emailCheck(field, msg) {
    var pattern1 = /[\w\-]+\@[\w\-]+\.\w{2,3}/;
    if(!pattern1.test(field.value) ) {
        alert(msg);
		field.focus();
		return false;
    }
	return true;
}

function selectValue(field_name, sel_val){
	x = document.getElementById(field_name);
	len = x.options.length;
	for( i=0 ; i<len ; i++ ){
		if( x.options[i].value==sel_val ){
			x.options[i].selected = true;
			//alert(sel_val);
			break;
		}
	}
}

function MultiSelectValue(field_name, sel_val){
	//x = document.getElementById(field_name);
	sel_ar = sel_val.split(',');
	len = sel_ar.length;
	//alert(sel_ar[0]);
	//alert(sel_ar[1]);
	for( i=0 ; i<len ; i++ ){
		//alert(sel_ar[i]);
		selectValue(field_name, sel_ar[i]);
	}
}

function checkDate(arv, depart){
	ar = arv.split("/");
	day1 = parseInt(ar[0]);
	mon1 = parseInt(ar[1]);
	year1 = parseInt(ar[2]);
	
	ar = depart.split("/");
	day2 = parseInt(ar[0]);
	mon2 = parseInt(ar[1]);
	year2 = parseInt(ar[2]);
	
	if( year2>year1 || (year2<=year1 && mon2>mon1) || (year2<=year1 && mon2<=mon1 && day2>day1) ){
		return true;
	}
	
	return false;
}

function submitForm(url)
{
	document.form1.action = "ab.html";
	document.form1.submit();
	//return true;
}