function ValidateDataContact()
{		
//	if ()	
	var contactDate=document.getElementById('txtContactcontactDate');
	
	if (contactDate.value != "")
	{						
		return (false);
	}
	
	
	
	return true;
}

function OnlyNumbers()
{	
	if(window.event.keyCode < 48 || window.event.keyCode > 57)
	{
		window.event.keyCode = 0;
	}
}

function isNumberKey(evt)
{
        var charCode = (evt.which) ? evt.which : event.keyCode
        if (charCode > 31 && (charCode < 48 || charCode > 57))
           return false;
        return true;
}


function checkNumbers() { 	
    var ValidChars = /^[0-9].-$/; 
    var pasteData = window.clipboardData.getData("Text"); 

    if(ValidChars.test(pasteData))
        return true;
    else { 
                alert("Invalid number");
                return false; 
            } 
        }