function validatephone(telephone) {
	var maintainplus = '';
 	var numval = telephone.value
 	if ( numval.charAt(0)=='+' ){ var maintainplus = '+';}
 	curphonevar = numval.replace(/[\\A-Za-z!"£$%^&*+_={};:'@#~,.¦\/<>?|`¬\]\[]/g,'');
 	telephone.value = maintainplus + curphonevar;
 	var maintainplus = '';
 	telephone.focus;
}