function isEmpty(val) {
	return (val.search(/[^\s]/gi) == -1)
}

function isValidInteger(val) {
	return (val.search(/[^0-9]/gi) == -1)
}

function isValidImageFormat(val) {
	return (val.search(/(.*\.(jpg|bmp|gif)$)/gi) != -1)
}

function isValidEmail(val) {
	return (val.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/gi) != -1)
}

function radioChecked(objRdo)
{
	var check = false;
	var i=0;
	while (!check && i<objRdo.length)
	{
		if (objRdo[i].checked==true) 
			check = true;
		i++;
	}//while
	return check;
}

function txtFocus(txt,val) {
	if (txt.value=='' || txt.value==val)
		txt.value='';
}

function txtBlur(txt,val) {
	if (txt.value=='')
		txt.value=val;
}

function chkUploadfile(obj){  
     var a=obj.value;          
     return (/\.(doc|pdf)$/i.test(a))     
 }