function clearField(el){
	if(el.value == "Enter a keyword..." && el.name == "key"){
		el.value = "";
	}
	else if(el.value == "min..." && el.name == "minLn"){
		el.value = "";
	}
	else if(el.value == "max..." && el.name == "maxLn"){
		el.value = "";
	}
}

function checkField(el){
	if(el.value == "" && el.name == "key"){
		el.value = "Enter a keyword...";
	}
	else if(el.value == "" && el.name == "minLn"){
		el.value = "min...";
	}
	else if(el.value == "" && el.name == "maxLn"){
		el.value = "max...";
	}
}