function validateForm(){
   if(document.SFDC_form.first_name.value == "") {
     alert('Please fill in the required information');	
   } else if(document.SFDC_form.last_name.value == "") {
     alert('Please fill in the required information');	
   } else if(document.SFDC_form.phone.value == "") {
     alert('Please fill in the required information');	
   } else if(document.SFDC_form.title.value == "") {
     alert('Please fill in the required information');	
   } else if(document.SFDC_form.company.value == "") {
     alert('Please fill in the required information');	
   } else if(echeck(document.SFDC_form.email.value) == false) {
     alert('Please provide a valid email address');	
   } else {
   	document.SFDC_form.submit();
   }
}

function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}
	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }
	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	 if (str.indexOf(" ")!=-1){
		return false
	 }
	 return true					
}