function trim(str) {
		return str.replace(/^\s+|\s+$/g, '')
	}

	function mValidateEmpty(vString) {
		if(trim(vString.value) == '') {
			vString.style.backgroundColor = '#f1bcc9';
			return false;
		} else {
			vString.style.backgroundColor = '#ffffff';
			return true;
		}
	}
	
	function mValidateEmail(vString) {
		var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/;
		if (!email.test(trim(vString.value))) {
			vString.style.backgroundColor = '#f1bcc9';
			return false;
		} else {
			vString.style.backgroundColor = '#ffffff';
			return true;
		}
	}
	
	function mValidateSelect(vString) {
		if(vString.selectedIndex == 0) {
			vString.style.backgroundColor = '#f1bcc9';
			return false;
		} else {
			vString.style.backgroundColor = '#ffffff';
			return true;
		}
	}
	
	function mValidateForm(form) {
		var errs = 0;
		if(!mValidateEmpty(form.first_name)) errs += 1;
		if(!mValidateEmpty(form.last_name)) errs += 1;
		if(!mValidateEmail(form.email)) errs += 1;
		if(!mValidateEmpty(form.address1)) errs += 1;
		if(!mValidateEmpty(form.city)) errs += 1;
		if(!mValidateEmpty(form.state)) errs += 1;
		if(!mValidateEmpty(form.zip)) errs += 1;
		if(!mValidateEmpty(form.phone)) errs += 1;
		if(!mValidateEmpty(form.subject)) errs += 1;
		if(!mValidateSelect(form.send_to)) errs += 1;
		if(errs == 0) {
			return true;	
		} else {
			alert("Please enter all the required information before sending.");
			return false;
		}
	}
	
	function mValidateForm2(form) {
		var errs = 0;
		if(!mValidateEmail(form.from)) errs += 1;
		if(!mValidateEmpty(form.to)) errs += 1;
		if(errs == 0) {
			return true;	
		} else {
			alert("Please enter all the required information before sending.");
			return false;
		}
	}	
	
	function mValidateUpload(filename) {
		var regexp = new RegExp("[^a-zA-Z0-9._-\s]", "i");
		if(regexp.exec(filename) == true) {
			return true;
		} else {
			alert("Sorry, the filename contains invalid characters. Use only alphanumerical characters and separate parts of the name (if needed) with an underscore. A valid filename ends with one dot followed by the extension.");
			return false;
		}
	}
	
	function confirmSubmit(what, who) {
		var agree=confirm("Are you sure you want to "+what+" this "+who+"?");
		if (agree)
			return true ;
		else
			return false ;
	}
	
	function addDeleteCheck() {
		var d = document;
		var elem = d.getElementById('editlist');
		var links = elem.getElementsByTagName('a');
		for(var i=0;i<links.length;i++) {
			links[i].setAttribute("onclick","return confirmSubmit('delete','entry')");
			links[i].setAttribute("onkeypress","return confirmSubmit('delete','entry')");
		}
		return true;
	}
	
	addLoadEvent(addDeleteCheck);