////////////////// Common functions ///////////////////
function num()
{if(event.keyCode<46 || event.keyCode>57) event.returnValue=false;}

function ConfirmDelete()
{var ok = confirm("Are you sure you want to permanently delete this item?\nThe item will not able to be restore once you delete it.");if(ok)return true;else return false;}

function ConfirmLogout()
{var ok = confirm("Are you sure you want to logout?");if(ok){return true;}else return false;}
////////////////// form checking ///////////////////
function CountSelect()
{
	OptionSelect=document.getElementById('BusinessType');
	var iNumSelected=0;
	for(var iCount=0;OptionSelect.options[iCount];iCount++)
	{if(OptionSelect.options[iCount].selected==true){iNumSelected++;}}
	if(iNumSelected>2){alert("You can select only maximum 2 type of business.");}
}
////////////////// open new window ///////////////////
function openw(file)
{
	var BoxWidth=800;
	var BoxHeight=650;
	window.open(file,"_blank","width="+BoxWidth+" height="+BoxHeight+" top="+(screen.height-BoxHeight)/2+" left="+(screen.width-BoxWidth)/2+" scrollbars");	
}