// Check for an integer
function isNumber(str) { 
	isNum = /^\d+$/; 
	return isNum.test( str ); 
} 

// Check for currency 		
function isNumberCurrency(str) { 
	isPrice = /^\d+\.\d{2}$/; 
	return isPrice.test( str ); 
} 

// Validate email address
function isValidEmail(str) {
   return (str.indexOf("@") > 0);
}

function isFlashInstalled() { 
	var isSupported = navigator.plugins['Shockwave Flash'];
	return true;

}