function CheckIfNumeric (number){ var i;	for ( var i = 0; i < number.length; i++ )	{	   if ( !(number.charAt(i)>='0' && 	          number.charAt(i)<='9') )	   {			return false ;	   }	}	return true;}function StartUp (){	var geresh = String.fromCharCode(39);	document.Order.reset();}function EretzCalcPrice(){	var Price, sub_choice		sub_choice = "-1"		for (i=0; i<Order.eretz_eng_sub.length; i++) {		if (Order.eretz_eng_sub[i].checked) {			sub_choice = i;		}	}	if (sub_choice != "-1")	{		sub_choice = sub_choice + 1		if (document.Order.eretz_curr.value == "NIS")		{			switch (sub_choice)			{				case 1 : Price = "NIS 298"; break;				case 2 : Price = "NIS 529"; break;				case 3 : Price = "NIS 749"; break;			}			}		else		{				switch (sub_choice)			{				case 1 : Price = "US$ 79"; break;				case 2 : Price = "US$ 139"; break;				case 3 : Price = "US$ 198"; break;			}				}			document.Order.eretz_price.value = Price	}}function ClearRadio(radio_set){	for (i=0; i<radio_set.length; i++) {		radio_set[i].checked = false	}}function get_radio(radio_set){	for (i=0; i<radio_set.length; i++)	{		if(radio_set[i].checked) { radio_value = radio_set[i].value }	} }function ClearEretzE(){	ClearRadio (document.Order.eretz_eng_sub);	document.Order.eretz_curr.selectedIndex = 0	document.Order.eretz_price.value = "--- THE PRICE ---"}function SubmitForm (){		var results, err_count, payer_email_valid, exp_valid, renew_only;	var current_date = new Date();	var quote = String.fromCharCode(34);		err_count = 0		function add_error (err_desc)		{			err_count = err_count + 1			results = results + err_count + ") " + err_desc + "<br>"		}		orders_found = 0				renew_only = document.Order.old_sub_name.value				if (renew_only != "")				// In case the user was already a subscriber, check that valid name, email and phone were entered.		{			if (document.Order.old_sub_email.value != "")			{				if ((document.Order.old_sub_email.value.indexOf ("@") == -1) || (document.Order.old_sub_email.value.indexOf (".") == -1))				{					alert ("To renew your subscription, please enter a valid email address.")					return false;				}			}			else			{				alert ("To renew your subscription, please enter a valid email address.")				return false;			}			document.Order.email.value = document.Order.old_sub_email.value		}				for (i=0; i<document.Order.eretz_eng_sub.length; i++)		{			if(document.Order.eretz_eng_sub[i].checked) { orders_found = orders_found + 1 }		}				if (orders_found == 0)		{			alert ("Please choose desired period of subscription!"); 			return (false);		}	style_str = ""	results = "<html>" + "<title> Data missing / incorrert </title> <body bgcolor=#FF9999> <font color = #330099>"	if (document.Order.full_name.value == "" && renew_only == "") { add_error ("Full name not entered!")}	payer_email_valid = 1	if (document.Order.payer_email.value != "")	{		if ((document.Order.payer_email.value.indexOf ("@") == -1) || (document.Order.payer_email.value.indexOf (".") == -1))		{		payer_email_valid = -1		}	}	else	{		payer_email_valid = -1	}		if (payer_email_valid == -1 && renew_only == "") 	{	add_error ("Email address not entered / entered incorrectly!") 	}	else	{	document.Order.email.value = document.Order.payer_email.value	}		if (document.Order.address1.value == "" && document.Order.address2.value == "" && renew_only == "") { add_error ("Address not entered!")}	if (document.Order.city.value == "" && renew_only == "") { add_error ("City not entered!")}	if (document.Order.zip.value == "" && renew_only == "") { add_error ("Zip code not entered!")}		if (document.Order.tel.value == "" && renew_only == "")		{ add_error ("Phone number not entered!") }				if (document.Order.credit_type.value == "")		{ add_error ("Please choose type of credit card!") }	if (document.Order.credit_number.value.length < 5)		{ add_error ("Credit card number not entered / entered incorrectly!")  }	exp_valid = 1		if (document.Order.credit_exp_year.value < current_date.getYear())	{		exp_valid = -1	}	else	{		if ((document.Order.credit_exp_year.value == current_date.getYear()) && 						(document.Order.credit_exp_month.value < current_date.getMonth()))		{			exp_valid = -1		}	}		if (exp_valid == -1) { add_error ("Invalid credit card expiry date!") }		if (err_count != 0)	{		button_str = "<p align=" + quote + "center" + quote + "> <input type=" + quote + "button" + quote + "value=" + quote + "Close"  + quote +  "onclick = " + quote + "javascript: window.close()" + quote + "></p>"		results = results + "</font> " + button_str + " </body> </html>"		calc_height = 70 + (20 * err_count);		new_window_prop = quote + "toolbar=no,location=no,scrollbars=no,width=380,height=" + calc_height + quote		newWindow=window.open ("","",new_window_prop)		newWindow.document.write(results);	}	else	{		if (document.Order.eretz_price.value == "--- THE PRICE ---")		{			document.Order.eretz_price.value = ""			document.Order.eretz_curr.value = ""		}					document.Order.submit()	}}