/*****************************************************
*Javascript Client Side Form Validation 
*Purpose: Client side cart form validation
*Date : 30/March/2005
******************************************************/


//function for didgit
function isDigit(ch)
         {return (ch>='0'&&ch<='9')}


//function for all digits
function isAlldigits(str)
{var i;
for (i=0;i<str.length;i++)
{
if(!isDigit(str.charAt(i)))
return false;
}
return true;
}
function verify(frm_addcart){

		if(frm_addcart.qty.value ==""){
		alert("Please enter your quantity");
		frm_addcart.qty.focus();
		return false;
        }
		if(frm_addcart.qty.value =="0"){
		alert("Zero is not a valid number");
		frm_addcart.qty.focus();
		return false;
        }
	
	  	if(!isAlldigits(frm_addcart.qty.value)){
	  	alert("Please enter a valid number");
    	frm_addcart.qty.focus();
		frm_addcart.qty.select();
        return false;
  		}

		
		return true;
}