function validEmail(email){		invalidChars = " /:,;"				if (email == "") {			// cannot be empty			return false		}		for (i=0; i<invalidChars.length; i++) {	// does it contain any invalid characters?			badChar = invalidChars.charAt(i)			if (email.indexOf(badChar,0) > -1) {				return false			}		}		atPos = email.indexOf("@",1)			// there must be one "@" symbol		if (atPos == -1) {			return false		}		if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol			return false		}		periodPos = email.indexOf(".",atPos)		if (periodPos == -1) {					// and at least one "." after the "@"			return false		}		if (periodPos+3 > email.length)	{		// must be at least 2 characters after the "."			return false		}		return true	}	function validForm(passForm){		if(passForm.name.value==""){			alert("You must enter your name");			passForm.name.focus();			passForm.name.select();			return false;		}		if (!validEmail(passForm.email.value)) {			alert("Please check your email address.");			passForm.email.focus();			passForm.email.select();			return false;		}		if(passForm.industry.value==""){			alert("Please enter your industry.");			passForm.industry.focus();			passForm.industry.select();			return false;		}		if(passForm.city.value == ""){			alert("Please enter your city.");			passForm.city.focus();			passForm.city.select();			return false;		}		if (passForm.state.value == "") {			alert("Please enter your state.");			passForm.state.focus();			passForm.state.select();			return false;		}		return true	}