// JavaScript Document

function changeBGColor(color) {
	var value;
	
	if(color == 'green1') {
		value = '#eaf5b4';	
	}
	else if(color == 'green2') {
		value = '#889f14';	
	}
	else if(color == 'green3') {
		value = '#578b2f';
	}
	else if(color == 'white') {
		value = '#ffffff';	
	} 
	else if(color == 'gray') {
		value = '#c0c0c0';	
	}
	else {
		alert(color);	
	}
	//alert(color);
	
	document.body.style.backgroundColor = value;
}

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.target = "_blank";  
		}  
}
window.onload = externalLinks;