function check_search_form(){
	if(document.getElementById('keyword').value == ''){
		alert('Please type in a keyword first');
		return false;
	}
	
}


function openwin_print() { 
window.open ("inc/print.asp", "explain", "height=500, width=520, toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, status=no, top=10, left=50 ") 
} 

//-----------disable right click start
var clickmessage="Sorry, You can not use right click with a photo." 
function disableclick(e) { 
if (document.all) { 
if (event.button==2||event.button==3) { 
if (event.srcElement.tagName=="IMG"){ 
alert(clickmessage); 
return false; 
} 
} 
} 
if (document.layers) { 
if (e.which == 3) { 
alert(clickmessage); 
return false; 
} 
} 
} 

function associateimages(){ 
for(i=0;i<document.images.length;i++) 
document.images[i].onmousedown=disableclick; 
} 

if (document.all) 
document.onmousedown=disableclick 
else if (document.layers) 
associateimages() 
//-----------disable right click end