/****************************************************
* Common javascript functions 
****************************************************/
function exists(inputValue) {
	var aCharExists = false;
	for (var i=0; i<= inputValue.length; i++) {
		if (inputValue.charAt(i) != " " && inputValue.charAt(i) != "") {
			aCharExists = true;
			break
		}
	}
	return aCharExists;
}

// Check if value entered into login form
function validateContact() {
	var validForm = true;
	var err = document.getElementById("errormsg");
	
	
	err.style.visibility = "hidden";
	err.innerHTML = "";	
	if (!exists(document.rfq.contact_name.value)) {
		validForm = false;
		err.innerHTML = err.innerHTML + "Name must be entered.<br />";
	} 
	if ((!exists(document.rfq.email.value)) && (!exists(document.rfq.phone.value))) {
		validForm = false;
		err.innerHTML = err.innerHTML + "Email or phone number must be entered.<br />";
	}
	if (exists(document.rfq.email.value)) {
		apos=document.rfq.email.value.indexOf("@");
		dotpos=document.rfq.email.value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) 
	  		err.innerHTML = err.innerHTML + "Enter a valid email.<br>";
	}
	if (exists(document.rfq.phone.value)) {
		dash1 = document.rfq.phone.value.charAt(3);
		dash2 = document.rfq.phone.value.charAt(7);
		if ((dash1 != '-') || (dash2 != '-')) {
			validForm = false;
			err.innerHTML = err.innerHTML + "Phone number must be in xxx-xxx-xxxx format.<br />";
		}
	}
	if (exists(document.rfq.fax.value)) {
		dash1 = document.rfq.fax.value.charAt(3);
		dash2 = document.rfq.fax.value.charAt(7);
		if ((dash1 != '-') || (dash2 != '-')) {
			validForm = false;
			err.innerHTML = err.innerHTML + "Fax number must be in xxx-xxx-xxxx format.<br />";
		}
	}	
	if (!exists(document.rfq.mailing1.value)) {
		validForm = false;
		err.innerHTML = err.innerHTML + "Address must be entered.<br />";
	} 
	if (!exists(document.rfq.city.value)) {
		validForm = false;
		err.innerHTML = err.innerHTML + "City must be entered.<br />";
	}
	if (!exists(document.rfq.postal.value)) {
		validForm = false;
		err.innerHTML = err.innerHTML + "Postal code must be entered.<br />";
	} 
	if (!exists(document.rfq.job_required.value)) {
		validForm = false;
		err.innerHTML = err.innerHTML + "Please describe the work you would like quoted.<br />";
	} 

	if (!validForm) {
		err.style.visibility = "visible";
	}
	return validForm;
}
function showjob(whichone) {  //show job details for clicked job only
	hidejob('job1')
	hidejob('job2')
	hidejob('job3')
	hidejob('job4')

	var jobdesc = document.getElementById(whichone);
	jobdesc.style.display = "block";	  
}

function hidejob(whichone) {  //hide all job descriptions
	var jobdesc = document.getElementById(whichone);
	jobdesc.style.display = "none";
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
 

function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}