function validateForm(){
		var REG_EMAIL = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,4}(?:\.[a-z]{2})?)$/i;
		var numericExpression = /^[0-9]+$/;	
				    if(document.requestInfo.name.value==''){
									alert('Please enter your name.');
									return false;
						}else if(document.requestInfo.city_prov.value==''){
									alert('Please enter your city and province.');
									return false;
						}else if(document.requestInfo.email.value==''){
									alert('Please enter your email address.');
									return false;
						}else if(!REG_EMAIL.test(document.requestInfo.email.value)){
									alert('Please enter a valid email address.');
									return false;
						}else if(document.requestInfo.phone.value==''){
									alert('Please enter your phone number.');
									return false;									
						}else{
									return true;
									}}