function verifyform(){   	c = document.getElementById("goldform");            	   	if(c.name.value.length == 0)   	{		alert("Please enter your full name");		c.name.focus();   		return false;  	} 	if(isPhoneNumber(c.phone.value) != true)   	{		alert("Please enter a valid phone number");   		c.phone.focus();		return false;	}    if(isemail(c.email.value) == false)    {		alert("Please enter a valid email address");		c.email.focus(); 		return false;   	}}    function isPhoneNumber(str){		var re = /^\(?[2-9]\d{2}[\)\.-]?\s?\d{3}[\s\.-]?\d{4}$/;		return re.test(str);	}	function isemail(email) {	    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;	    var address = email;	    if(reg.test(address) == false) {			return false;		}	}