function externalLinks()
{
	if (!document.getElementsByTagName) {
		return;
	}
	var anchors = document.getElementsByTagName('a');
	for (var i=0; i<anchors.length; i++) {  
		var anchor = anchors[i];  
		if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == 'external' || anchor.getAttribute('rel') == 'parent')) {
			switch(anchor.getAttribute('rel')) {
				case 'external':
					anchor.target = '_blank';
					break;
				case 'parent':
					anchor.target = '_parent';
					break;
			}
		}
	}  
}

window.onload = externalLinks;

function clearText(thefield){
	if (thefield.defaultValue==thefield.value)
		thefield.value = ""
}

function seachText(thefield){
	if (thefield.value=="")
		thefield.value = "Search here"
}

function signupform(thefield){
	if (thefield.value=="")
		thefield.value = "enter your email here"
}

function validate_email(email) 
{
	filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(email)) {
		return true;
	} else {
		return false;
	}
}