//-------------- validate phone number -----------------
			
			function validatephone(field) {
				var valid = "0123456789-";
				var hyphencount = 0;
				
				if (field.length!=12) {
					return false;
					}
					
				for (var i=0; i < field.length; i++) {
					temp = "" + field.substring(i, i+1);
					if (temp == "-") hyphencount++;
					
						if (valid.indexOf(temp) == "-1") {
							return false;
							}
							
						if ((hyphencount > 2) || ((field.length==12) && ""+field.charAt(3)!="-" && ""+field.charAt(7)!="-")) {
							return false;
						    }
						    				    
				}
				return true;
			}
			//  End -->